CVE-2025-67746

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In versions on the 2.x branch prior to 2.2.26 and 2.9.3, attackers controlling remote sources that Composer downloads from might in some way inject ANSI control characters in the terminal output of various Composer commands, causing mangled output and potentially leading to confusion or DoS of the terminal application. There is no proven exploit and this has thus a low severity but we still publish a CVE as it has potential for abuse, and we want to be on the safe side informing users that they should upgrade. Versions 2.2.26 and 2.9.3 contain a patch for the issue."}, {"lang": "es", "value": "Composer es un gestor de dependencias para PHP. En versiones de la rama 2.x anteriores a la 2.2.26 y 2.9.3, atacantes que controlan fuentes remotas de las que Composer descarga podr\u00edan de alguna manera inyectar caracteres de control ANSI en la salida de terminal de varios comandos de Composer, causando una salida distorsionada y potencialmente llevando a confusi\u00f3n o DoS de la aplicaci\u00f3n de terminal. No hay un exploit probado y esto tiene por lo tanto una baja severidad, pero a\u00fan publicamos un CVE ya que tiene potencial de abuso, y queremos estar seguros informando a los usuarios de que deben actualizar. Las versiones 2.2.26 y 2.9.3 contienen un parche para el problema."}], "id": "CVE-2025-67746", "lastModified": "2026-06-17T09:58:04.637", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-67746", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-30T17:17:14.852114Z", "version": "2.0.3"}}]}, "published": "2025-12-30T16:15:47.170", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/composer/composer/commit/1d40a95c9d39a6b7f80d404ab30336c586da9917"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/composer/composer/commit/5db1876a76fdef76d3c4f8a27995c434c7a43e71"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/composer/composer/releases/tag/2.2.26"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/composer/composer/releases/tag/2.9.3"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/composer/composer/security/advisories/GHSA-59pp-r3rg-353g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "composer: Composer: Terminal output manipulation leading to Denial of Service", "id": "2426283", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426283"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-74", "details": ["No description is available for this CVE."], "name": "CVE-2025-67746", "public_date": "2025-12-30T16:11:04Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-67746\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-67746\nhttps://github.com/composer/composer/commit/1d40a95c9d39a6b7f80d404ab30336c586da9917\nhttps://github.com/composer/composer/commit/5db1876a76fdef76d3c4f8a27995c434c7a43e71\nhttps://github.com/composer/composer/releases/tag/2.2.26\nhttps://github.com/composer/composer/releases/tag/2.9.3\nhttps://github.com/composer/composer/security/advisories/GHSA-59pp-r3rg-353g"], "statement": "This vulnerability is rated Low as it primarily affects the terminal output of Composer commands. Exploitation requires an attacker to control remote sources from which Composer downloads, allowing the injection of ANSI control characters. This can lead to mangled output or a denial of service of the terminal application, but not the underlying system.", "threat_severity": "Low"}

{"created": "2026-01-05T10:19:48.775308+00:00", "updated": "2026-01-05T10:19:48.775334+00:00", "vendors": ["getcomposer", "getcomposer$PRODUCT$composer"]}