{ "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-2026-31932", "tracking": { "current_release_date": "2026-04-03T15:37:22.468266Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-31932", "initial_release_date": "2026-04-02T14:27:28.751348Z", "revision_history": [ { "date": "2026-04-02T14:27:28.751348Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-04-02T14:27:31.103076Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-04-02T14:38:42.130565Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (2).| References created (2).| CWES updated (1)." }, { "date": "2026-04-02T14:38:44.167379Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-04-02T19:38:57.160058Z", "number": "5", "summary": "Unknown change." }, { "date": "2026-04-03T00:28:37.258937Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-04-03T12:44:16.650645Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (2)." }, { "date": "2026-04-03T12:44:18.532959Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-04-03T15:37:09.330014Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-03T15:37:18.449632Z", "number": "10", "summary": "NCSC Score updated." } ], "status": "interim", "version": "10" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-2530884" } } ], "category": "product_name", "name": "suricata" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-2530885" } } ], "category": "product_name", "name": "suricata" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "Debian" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<7.0.15", "product": { "name": "vers:unknown/<7.0.15", "product_id": "CSAFPID-5984840" } }, { "category": "product_version_range", "name": "vers:unknown/>=8.0.0|<8.0.4", "product": { "name": "vers:unknown/>=8.0.0|<8.0.4", "product_id": "CSAFPID-5984841" } } ], "category": "product_name", "name": "suricata" } ], "category": "vendor", "name": "OISF" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-31932", "cwe": { "id": "CWE-407", "name": "Inefficient Algorithmic Complexity" }, "notes": [ { "category": "description", "text": "Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, inefficiency in KRB5 buffering can lead to performance degradation. This issue has been patched in versions 7.0.15 and 8.0.4.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-31932" }, { "category": "description", "text": "Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, inefficiency in KRB5 buffering can lead to performance degradation. This issue has been patched in versions 7.0.15 and 8.0.4.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/31xxx/CVE-2026-31932.json" }, { "category": "description", "text": "A flaw was found in Suricata, a network Intrusion Detection System (IDS), Intrusion Prevention System (IPS), and Network Security Monitoring (NSM) engine. An attacker can exploit an inefficiency in the Kerberos 5 (KRB5) buffering mechanism by sending specially crafted network traffic. This can lead to significant performance degradation, effectively causing a Denial of Service (DoS) for the affected system.\nThis Important flaw in Suricata, a network intrusion detection and prevention system, stems from an inefficiency in its Kerberos 5 (KRB5) buffering mechanism. An unauthenticated attacker can send specially crafted network traffic to a system running Suricata, leading to significant performance degradation and a denial of service. This affects Suricata deployments within Red Hat Community Projects.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31932.json" }, { "category": "description", "text": "Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, inefficiency in KRB5 buffering can lead to performance degradation. This issue has been patched in versions 7.0.15 and 8.0.4.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-31932" }, { "category": "other", "text": "0.0004", "title": "EPSS" }, { "category": "other", "text": "4.2", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5984840", "CSAFPID-5984841", "CSAFPID-2530884", "CSAFPID-2530885" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-31932" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/31xxx/CVE-2026-31932.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31932.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-31932" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://github.com/OISF/suricata/security/advisories/GHSA-rp9m-jcpw-hggr" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://redmine.openinfosecfoundation.org/issues/8305" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-31932" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31932" } ], "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-2530884", "CSAFPID-2530885", "CSAFPID-5984840", "CSAFPID-5984841" ] } ], "title": "CVE-2026-31932" } ] }