CVE-2026-71498

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{"affected": [{"affectedData": [{"product": "node-re2", "vendor": "uhop", "versions": [{"status": "affected", "version": "< 1.26.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "node-re2 provides RE2 regular expression bindings for Node.js. Prior to version 1.26.1, passing a Buffer whose final bytes form a truncated (incomplete) multi-byte UTF-8 sequence could cause the native binding to read past the end of the allocated buffer while attempting to decode the final, incomplete code point. This could result in an out-of-bounds read and potential disclosure of adjacent memory contents. This issue is fixed in version 1.26.1."}, {"lang": "es", "value": "node-re2 proporciona enlaces de expresiones regulares RE2 para Node.js. Antes de la versi\u00f3n 1.26.1, pasar un Buffer cuyos bytes finales formaran una secuencia UTF-8 multibyte truncada (incompleta) podr\u00eda causar que el enlace nativo leyera m\u00e1s all\u00e1 del final del buffer asignado mientras intentaba decodificar el punto de c\u00f3digo final e incompleto. Esto podr\u00eda resultar en una lectura fuera de l\u00edmites y una posible divulgaci\u00f3n del contenido de memoria adyacente. Este problema est\u00e1 solucionado en la versi\u00f3n 1.26.1."}], "id": "CVE-2026-71498", "lastModified": "2026-10-24T15:10:00.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-71498", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-07T14:57:08.840534Z", "version": "2.0.3"}}]}, "published": "2026-08-06T22:18:32.207", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/uhop/node-re2/commit/9d72042a6a0da5bc523908b04808ea0e23867cc4"}, {"source": "security-advisories@github.com", "url": "https://github.com/uhop/node-re2/issues/272"}, {"source": "security-advisories@github.com", "url": "https://github.com/uhop/node-re2/security/advisories/GHSA-j4r3-hg7j-8chg"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/uhop/node-re2/security/advisories/GHSA-j4r3-hg7j-8chg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "re2: node-re2: Information disclosure via out-of-bounds read with malformed UTF-8 input", "id": "2512269", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512269"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["node-re2 provides RE2 regular expression bindings for Node.js. Prior to version 1.26.1, passing a Buffer whose final bytes form a truncated (incomplete) multi-byte UTF-8 sequence could cause the native binding to read past the end of the allocated buffer while attempting to decode the final, incomplete code point. This could result in an out-of-bounds read and potential disclosure of adjacent memory contents. This issue is fixed in version 1.26.1.", "A flaw was found in node-re2, a library providing RE2 regular expression bindings for Node.js. A local attacker could exploit this vulnerability by providing a specially crafted input buffer that ends with an incomplete multi-byte UTF-8 character. This could lead to an out-of-bounds read, potentially disclosing sensitive information from adjacent memory locations."], "mitigation": {"lang": "en:us", "value": "Restrict who can supply regex input or replacement templates processed by the mintmaker-renovate-image tooling; upgrade the pinned node-re2 dependency to 1.26.1 or later once available."}, "name": "CVE-2026-71498", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Not affected", "package_name": "re2", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}], "public_date": "2026-08-06T21:26:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-71498\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-71498\nhttps://github.com/uhop/node-re2/commit/9d72042a6a0da5bc523908b04808ea0e23867cc4\nhttps://github.com/uhop/node-re2/issues/272\nhttps://github.com/uhop/node-re2/security/advisories/GHSA-j4r3-hg7j-8chg"], "statement": "Red Hat ships node-re2 as a dependency of the Konflux mintmaker-renovate-image (Renovate-based dependency update automation used within the Konflux CI pipeline). The shipped version (1.26.0) falls within the vulnerable range (<1.26.1); a local attacker able to supply crafted input ending in an incomplete multi-byte UTF-8 character to the RE2 regex engine could trigger an out-of-bounds read, potentially disclosing adjacent memory contents.", "threat_severity": "Moderate"}

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