{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-33151", "tracking": { "current_release_date": "2026-03-27T16:48:07.650789Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33151", "initial_release_date": "2026-03-18T17:42:51.956760Z", "revision_history": [ { "date": "2026-03-18T17:42:51.956760Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1)." }, { "date": "2026-03-18T17:42:57.747970Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-19T11:40:03.597636Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1)." }, { "date": "2026-03-20T20:39:32.536407Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| References created (4).| CWES updated (1)." }, { "date": "2026-03-20T20:39:34.534285Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-03-20T21:25:12.745147Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-03-20T21:25:15.437828Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-03-20T21:41:32.219524Z", "number": "8", "summary": "References created (1)." }, { "date": "2026-03-21T12:44:25.575171Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (2)." }, { "date": "2026-03-21T13:47:16.425348Z", "number": "10", "summary": "References removed (1)." }, { "date": "2026-03-21T15:23:15.212317Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-21T15:23:17.063839Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-22T00:51:42.743078Z", "number": "13", "summary": "References created (1)." }, { "date": "2026-03-22T11:24:46.172195Z", "number": "14", "summary": "References removed (1)." }, { "date": "2026-03-23T00:53:52.723988Z", "number": "15", "summary": "References created (1)." }, { "date": "2026-03-23T05:15:49.207096Z", "number": "16", "summary": "References removed (1)." }, { "date": "2026-03-23T12:29:55.415914Z", "number": "17", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (13).| Product Identifiers created (3).| Product Remediations created (13).| References created (6).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-23T12:30:10.338997Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-03-24T07:42:10.676079Z", "number": "19", "summary": "Unknown change." }, { "date": "2026-03-24T20:56:09.398896Z", "number": "20", "summary": "References created (1)." }, { "date": "2026-03-26T18:43:00.219174Z", "number": "21", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| Product Remediations created (1)." }, { "date": "2026-03-26T18:43:06.482261Z", "number": "22", "summary": "NCSC Score updated." }, { "date": "2026-03-27T11:16:58.370488Z", "number": "23", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| References created (5).| CWES updated (1)." }, { "date": "2026-03-27T11:17:09.663493Z", "number": "24", "summary": "NCSC Score updated." } ], "status": "interim", "version": "24" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<5.5.1", "product": { "name": "vers:unknown/<5.5.1", "product_id": "CSAFPID-5918959" } }, { "category": "product_version_range", "name": "vers:unknown/>=5.5.1", "product": { "name": "vers:unknown/>=5.5.1", "product_id": "CSAFPID-5918960" } } ], "category": "product_name", "name": "HPE Telco Service Orchestrator" } ], "category": "vendor", "name": "HPE" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/5", "product": { "name": "vers:rpm/5", "product_id": "CSAFPID-1459353", "product_identification_helper": { "cpe": "cpe:/a:redhat:logging:5" } } } ], "category": "product_name", "name": "Logging Subsystem for Red Hat OpenShift" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/3", "product": { "name": "vers:rpm/3", "product_id": "CSAFPID-5198605", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux_ai:3" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux AI (RHEL AI) 3" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/7", "product": { "name": "vers:rpm/7", "product_id": "CSAFPID-1439294", "product_identification_helper": { "cpe": "cpe:/a:redhat:jboss_fuse:7" } } } ], "category": "product_name", "name": "Red Hat Fuse 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5205180" } } ], "category": "product_name", "name": "bootc-cuda-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5811351" } } ], "category": "product_name", "name": "bootc-rocm-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5205182" } } ], "category": "product_name", "name": "disk-image-cuda-rhel9" } ], "category": "product_family", "name": "Red Hat Enterprise Linux AI (RHEL AI) 3" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5187689" } } ], "category": "product_name", "name": "elasticsearch-operator-bundle" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2914696" } } ], "category": "product_name", "name": "elasticsearch-proxy-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2914697" } } ], "category": "product_name", "name": "elasticsearch-rhel9-operator" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2855724" } } ], "category": "product_name", "name": "elasticsearch6-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459355" } } ], "category": "product_name", "name": "kibana6-rhel8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2855725" } } ], "category": "product_name", "name": "logging-curator5-rhel9" } ], "category": "product_family", "name": "Logging Subsystem for Red Hat OpenShift" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1771999" } } ], "category": "product_name", "name": "io.syndesis-syndesis-parent" } ], "category": "product_family", "name": "Red Hat Fuse 7" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5885311" } } ], "category": "product_name", "name": "node-socket.io-parser" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5885312" } } ], "category": "product_name", "name": "node-socket.io-parser" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "Debian" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.3.5", "product": { "name": "vers:unknown/<3.3.5", "product_id": "CSAFPID-5875889" } }, { "category": "product_version_range", "name": "vers:unknown/>=3.4.0|<3.4.4", "product": { "name": "vers:unknown/>=3.4.0|<3.4.4", "product_id": "CSAFPID-5875890" } }, { "category": "product_version_range", "name": "vers:unknown/>=4.0.0|<4.2.6", "product": { "name": "vers:unknown/>=4.0.0|<4.2.6", "product_id": "CSAFPID-5875891" } } ], "category": "product_name", "name": "socket.io" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=0|<3.3.5", "product": { "name": "vers:unknown/>=0|<3.3.5", "product_id": "CSAFPID-5937999" } }, { "category": "product_version_range", "name": "vers:unknown/>=3.4.0|<3.4.4", "product": { "name": "vers:unknown/>=3.4.0|<3.4.4", "product_id": "CSAFPID-5938000" } }, { "category": "product_version_range", "name": "vers:unknown/>=4.0.0|<4.2.6", "product": { "name": "vers:unknown/>=4.0.0|<4.2.6", "product_id": "CSAFPID-5938001" } } ], "category": "product_name", "name": "socket.io-parser" } ], "category": "vendor", "name": "Socket" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33151", "cwe": { "id": "CWE-754", "name": "Improper Check for Unusual or Exceptional Conditions" }, "notes": [ { "category": "description", "text": "### Impact\n\nA specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory.\n\n### Patches\n\n| Version range | Used by | Fixed version |\n|------------------|--------------------------------------------|---------------|\n| `>=4.0.0 <4.2.6` | `socket.io@4.x` and `socket.io-client@4.x` | `4.2.6` |\n| `>=3.4.0 <3.4.4` | `socket.io@2.x` | `3.4.4` |\n| `<3.3.5` | `socket.io-client@2.x` | `3.3.5` |\n\n### Workarounds\n\nThere is no known workaround except upgrading to a safe version.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n- Open a discussion [here](https://github.com/socketio/socket.io/discussions)", "title": "github - https://github.com/advisories/GHSA-677m-j7p3-52f9" }, { "category": "description", "text": "### Impact\n\nA specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory.\n\n### Patches\n\n| Version range | Used by | Fixed version |\n|------------------|--------------------------------------------|---------------|\n| `>=4.0.0 <4.2.6` | `socket.io@4.x` and `socket.io-client@4.x` | `4.2.6` |\n| `>=3.4.0 <3.4.4` | `socket.io@2.x` | `3.4.4` |\n| `<3.3.5` | `socket.io-client@2.x` | `3.3.5` |\n\n### Workarounds\n\nThere is no known workaround except upgrading to a safe version.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n- Open a discussion [here](https://github.com/socketio/socket.io/discussions)", "title": "github - https://api.github.com/advisories/GHSA-677m-j7p3-52f9" }, { "category": "description", "text": "Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. Prior to versions 3.3.5, 3.4.4, and 4.2.6, a specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. This issue has been patched in versions 3.3.5, 3.4.4, and 4.2.6.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33151.json" }, { "category": "description", "text": "Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. Prior to versions 3.3.5, 3.4.4, and 4.2.6, a specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. This issue has been patched in versions 3.3.5, 3.4.4, and 4.2.6.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33151" }, { "category": "description", "text": "Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. Prior to versions 3.3.5, 3.4.4, and 4.2.6, a specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. This issue has been patched in versions 3.3.5, 3.4.4, and 4.2.6.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-33151" }, { "category": "description", "text": "A flaw was found in Socket.IO, an open-source, real-time communication framework. A remote attacker could exploit this vulnerability by sending specially crafted Socket.IO packets that cause the server to buffer a large number of binary attachments. This excessive buffering can lead to the server running out of memory, resulting in a Denial of Service (DoS) for legitimate users.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33151.json" }, { "category": "description", "text": "A potential security vulnerability in HPE Telco Service Orchestrator software that could be remotely exploited causing denial of service (DoS) and unexpected input validations.", "title": "hpe - https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05031en_us&docLocale=en_US" }, { "category": "description", "text": "### Impact\n\nA specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory.\n\n### Patches\n\n| Version range | Used by | Fixed version |\n|------------------|--------------------------------------------|---------------|\n| `>=4.0.0 <4.2.6` | `socket.io@4.x` and `socket.io-client@4.x` | `4.2.6` |\n| `>=3.4.0 <3.4.4` | `socket.io@2.x` | `3.4.4` |\n| `<3.3.5` | `socket.io-client@2.x` | `3.3.5` |\n\n### Workarounds\n\nThere is no known workaround except upgrading to a safe version.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n- Open a discussion [here](https://github.com/socketio/socket.io/discussions)", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-677m-j7p3-52f9.json?alt=media" }, { "category": "other", "text": "0.00085", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "title": "CVSSV4" }, { "category": "other", "text": "8.7", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.1", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Hpe, VENDOR FIX as product remediation category, Is related to an uncommon product source", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The value of the most recent CVSS (V3) score, There is product_remediation data available from source Redhat, There is product data available from source Debian", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "fixed": [ "CSAFPID-5918960" ], "known_affected": [ "CSAFPID-5875889", "CSAFPID-5875890", "CSAFPID-5875891", "CSAFPID-5885311", "CSAFPID-5885312", "CSAFPID-1439294", "CSAFPID-1459353", "CSAFPID-1459355", "CSAFPID-1771999", "CSAFPID-2855724", "CSAFPID-2855725", "CSAFPID-2914696", "CSAFPID-2914697", "CSAFPID-5187689", "CSAFPID-5198605", "CSAFPID-5205180", "CSAFPID-5205182", "CSAFPID-5811351", "CSAFPID-5918959", "CSAFPID-5937999", "CSAFPID-5938000", "CSAFPID-5938001" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-677m-j7p3-52f9" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-677m-j7p3-52f9" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-677m-j7p3-52f9" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33151.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33151" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-33151" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33151.json" }, { "category": "external", "summary": "Source - hpe", "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05031en_us&docLocale=en_US" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-677m-j7p3-52f9.json?alt=media" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/socketio/socket.io/security/advisories/GHSA-677m-j7p3-52f9" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/socketio/socket.io/commit/719f9ebab0772ffb882bd614b387e585c1aa75d4" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/socketio/socket.io/commit/9d39f1f080510f036782f2177fac701cc041faaf" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/socketio/socket.io/commit/b25738c416c4e32fbff62ee182afa8f6d0dacf78" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-677m-j7p3-52f9" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-33151" }, { "category": "external", "summary": "Reference - github; osv; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33151" } ], "remediations": [ { "category": "mitigation", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.", "product_ids": [ "CSAFPID-1439294", "CSAFPID-1459353", "CSAFPID-1459355", "CSAFPID-1771999", "CSAFPID-2855724", "CSAFPID-2855725", "CSAFPID-2914696", "CSAFPID-2914697", "CSAFPID-5187689", "CSAFPID-5198605", "CSAFPID-5205180", "CSAFPID-5205182", "CSAFPID-5811351" ] }, { "category": "vendor_fix", "details": "Update to HPE Telco Service Orchestrator v5.5.1 or later.", "product_ids": [ "CSAFPID-5918959" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1439294", "CSAFPID-1459353", "CSAFPID-1459355", "CSAFPID-1771999", "CSAFPID-2855724", "CSAFPID-2855725", "CSAFPID-2914696", "CSAFPID-2914697", "CSAFPID-5187689", "CSAFPID-5198605", "CSAFPID-5205180", "CSAFPID-5205182", "CSAFPID-5811351", "CSAFPID-5875889", "CSAFPID-5875890", "CSAFPID-5875891", "CSAFPID-5885311", "CSAFPID-5885312", "CSAFPID-5918959", "CSAFPID-5937999", "CSAFPID-5938000", "CSAFPID-5938001" ] } ], "title": "CVE-2026-33151" } ] }