CVE-2025-64506

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{"affected": [{"affectedData": [{"product": "libpng", "vendor": "pnggroup", "versions": [{"status": "affected", "version": ">= 1.6.0, < 1.6.51"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*", "matchCriteriaId": "3545FEA5-4FFA-4955-BFDA-CC3602C9A894", "versionEndExcluding": "1.6.51", "versionStartIncluding": "1.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue has been patched in version 1.6.51."}, {"lang": "es", "value": "LIBPNG es una biblioteca de referencia para su uso en aplicaciones que leen, crean y manipulan archivos de imagen r\u00e1ster PNG (Portable Network Graphics). Desde la versi\u00f3n 1.6.0 hasta la 1.6.51, existe una vulnerabilidad de lectura excesiva de b\u00fafer de pila en la funci\u00f3n png_write_image_8bit de libpng al procesar im\u00e1genes de 8 bits a trav\u00e9s de la API de escritura simplificada con convert_to_8bit habilitado. La vulnerabilidad afecta a im\u00e1genes de 8 bits en escala de grises+alfa, RGB/RGBA, y a las im\u00e1genes con datos de fila incompletos. Una guarda condicional permite incorrectamente que la entrada de 8 bits ingrese a c\u00f3digo que espera entrada de 16 bits, causando lecturas de hasta 2 bytes m\u00e1s all\u00e1 de los l\u00edmites del b\u00fafer asignado. Este problema ha sido parcheado en la versi\u00f3n 1.6.51."}], "id": "CVE-2025-64506", "lastModified": "2026-10-18T20:10:00.110", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-64506", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-11-25T19:26:55.005617Z", "version": "2.0.3"}}]}, "published": "2025-11-25T00:15:47.300", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/pnggroup/libpng/commit/2bd84c019c300b78e811743fbcddb67c9d9bf821"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/pnggroup/libpng/pull/749"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/pnggroup/libpng/security/advisories/GHSA-qpr4-xm66-hww6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "libpng: LIBPNG heap buffer over-read", "id": "2416906", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2416906"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue has been patched in version 1.6.51."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-64506", "package_state": [{"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Fix deferred", "package_name": "java-11-openjdk", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Fix deferred", "package_name": "java-11-openjdk-portable", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Fix deferred", "package_name": "java-21-openjdk-portable", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk:17", "fix_state": "Fix deferred", "package_name": "java-17-openjdk-portable", "product_name": "Red Hat build 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Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libpng", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libpng15", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-11-24T23:41:09Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-64506\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-64506\nhttps://github.com/pnggroup/libpng/commit/2bd84c019c300b78e811743fbcddb67c9d9bf821\nhttps://github.com/pnggroup/libpng/pull/749\nhttps://github.com/pnggroup/libpng/security/advisories/GHSA-qpr4-xm66-hww6"], "threat_severity": 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{"created": "2025-11-26T11:10:50.860408+00:00", "updated": "2025-11-26T11:10:50.860457+00:00", "vendors": ["libpng", "libpng$PRODUCT$libpng"]}