CVE-2025-49844

{"id": "CVE-2025-49844", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-49844", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-03-20T03:55:40.030296Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "redis", "product": "redis", "versions": [{"status": "affected", "version": "< 8.2.2"}]}]}], "published": "2025-10-03T20:15:32.823", "references": [{"url": "https://github.com/redis/redis/commit/d5728cb5795c966c5b5b1e0f0ac576a7e69af539", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/redis/redis/releases/tag/8.2.2", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/redis/redis/security/advisories/GHSA-4789-qfc9-5f9q", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "http://www.openwall.com/lists/oss-security/2025/10/07/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/lastvocher/redis-CVE-2025-49844", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted Lua script to manipulate the garbage collector, trigger a use-after-free and potentially lead to remote code execution. The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2. To workaround this issue without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to restrict EVAL and EVALSHA commands."}, {"lang": "es", "value": "Redis es una base de datos en memoria de c\u00f3digo abierto que persiste en disco. Las versiones 8.2.1 e inferiores permiten a un usuario autenticado usar un script Lua especialmente dise\u00f1ado para manipular el recolector de basura, desencadenar un uso despu\u00e9s de liberaci\u00f3n y potencialmente conducir a la ejecuci\u00f3n remota de c\u00f3digo. El problema existe en todas las versiones de Redis con scripting Lua. Este problema est\u00e1 solucionado en la versi\u00f3n 8.2.2. Para solucionar este problema sin parchear el ejecutable del servidor Redis es evitar que los usuarios ejecuten scripts Lua. Esto se puede hacer usando ACL para restringir los comandos EVAL y EVALSHA."}], "lastModified": "2026-10-19T16:10:00.260", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2F4D4F6-6F7C-46BC-B37C-DFAC34B097AC", "versionEndExcluding": "6.2.20"}, {"criteria": "cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4F82BD2A-473F-4F3F-9C80-C6448D07C45D", "versionEndExcluding": "7.2.11", "versionStartIncluding": "7.0"}, {"criteria": "cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F6E336B8-E000-4EFA-95F8-F2B74A4913F0", "versionEndExcluding": "7.4.6", "versionStartIncluding": "7.4.0"}, {"criteria": "cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "459EBC07-D37A-44E5-95DB-4C3FD9F008FF", "versionEndExcluding": "8.0.4", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CBF13EC1-FE0A-4242-B8D3-2681485DDDF2", "versionEndExcluding": "8.2.2", "versionStartIncluding": "8.2.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lfprojects:valkey:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8CAF97D0-BE35-43AE-B820-3A88D1F49050", "versionEndExcluding": "7.2.11"}, {"criteria": "cpe:2.3:a:lfprojects:valkey:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F0285AE3-BBEA-4D0E-A8AD-957EC3E78870", "versionEndExcluding": "8.0.6", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:lfprojects:valkey:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "725746C6-025D-4364-9D97-E1315D670DF6", "versionEndExcluding": "8.1.4", "versionStartIncluding": "8.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}