{ "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-2026-30873", "tracking": { "current_release_date": "2026-03-27T07:57:57.228075Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-30873", "initial_release_date": "2026-03-20T18:20:10.411182Z", "revision_history": [ { "date": "2026-03-20T18:20:10.411182Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-20T18:20:14.331482Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-20T18:20:48.889787Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (2).| References created (3).| CWES updated (1)." }, { "date": "2026-03-20T18:20:51.634252Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-20T18:23:06.146706Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-20T18:23:12.617785Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-20T22:03:06.006917Z", "number": "7", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-21T04:39:58.822393Z", "number": "8", "summary": "Unknown change." }, { "date": "2026-03-24T20:49:15.920408Z", "number": "9", "summary": "CVSS created.| Products connected (2).| Product Identifiers created (2)." }, { "date": "2026-03-24T20:49:22.033775Z", "number": "10", "summary": "NCSC Score updated." } ], "status": "interim", "version": "10" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<24.10.6", "product": { "name": "vers:unknown/<24.10.6", "product_id": "CSAFPID-5873998", "product_identification_helper": { "cpe": "cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=25.12.0-rc1|<25.12.1", "product": { "name": "vers:unknown/>=25.12.0-rc1|<25.12.1", "product_id": "CSAFPID-5873997" } }, { "category": "product_version_range", "name": "vers:unknown/>=25.12.0|<25.12.1", "product": { "name": "vers:unknown/>=25.12.0|<25.12.1", "product_id": "CSAFPID-5874022", "product_identification_helper": { "cpe": "cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "openwrt" } ], "category": "vendor", "name": "OpenWrt" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-30873", "cwe": { "id": "CWE-401", "name": "Missing Release of Memory after Effective Lifetime" }, "notes": [ { "category": "description", "text": "OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to both 24.10.6 and 25.12.1, the jp_get_token function, which performs lexical analysis by breaking input expressions into tokens, contains a memory leak vulnerability when extracting string literals, field labels, and regular expressions using dynamic memory allocation. These extracted results are stored in a jp_opcode struct, which is later copied to a newly allocated jp_opcode object via jp_alloc_op. During this transfer, if a string was previously extracted and stored in the initial jp_opcode, it is copied to the new allocation but the original memory is never freed, resulting in a memory leak. This issue has been fixed in versions 24.10.6 and 25.12.1.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30873" }, { "category": "description", "text": "OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to both 24.10.6 and 25.12.1, the jp_get_token function, which performs lexical analysis by breaking input expressions into tokens, contains a memory leak vulnerability when extracting string literals, field labels, and regular expressions using dynamic memory allocation. These extracted results are stored in a jp_opcode struct, which is later copied to a newly allocated jp_opcode object via jp_alloc_op. During this transfer, if a string was previously extracted and stored in the initial jp_opcode, it is copied to the new allocation but the original memory is never freed, resulting in a memory leak. This issue has been fixed in versions 24.10.6 and 25.12.1.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/30xxx/CVE-2026-30873.json" }, { "category": "description", "text": "A flaw was found in the `jsonpath` component of the OpenWrt Project. The `jp_get_token` function, which processes input expressions, contains a memory leak vulnerability. This occurs when dynamically allocated memory used for extracting string literals, field labels, or regular expressions is not properly released after being copied to a new object. This oversight can lead to a gradual depletion of available memory, potentially resulting in a Denial of Service (DoS) for the affected system.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-30873.json" }, { "category": "other", "text": "5e-05", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "title": "CVSSV4" }, { "category": "other", "text": "2.4", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.9", "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: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5873997", "CSAFPID-5873998", "CSAFPID-5874022" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30873" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/30xxx/CVE-2026-30873.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-30873.json" }, { "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/openwrt/openwrt/releases/tag/v24.10.6" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://github.com/openwrt/openwrt/releases/tag/v25.12.1" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://github.com/openwrt/openwrt/security/advisories/GHSA-rcc6-v4r6-gj4m" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-30873" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30873" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.9, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5873997", "CSAFPID-5873998", "CSAFPID-5874022" ] } ], "title": "CVE-2026-30873" } ] }