{"api_version":"1","generated_at":"2026-10-24T08:23:54+00:00","cve":"CVE-2025-66293","urls":{"html":"https://cve.report/CVE-2025-66293","api":"https://cve.report/api/cve/CVE-2025-66293.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-66293","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-66293"},"summary":{"title":"LIBPNG has an out-of-bounds read in png_image_read_composite","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2025-12-03 21:15:53","updated_at":"2026-10-18 17:10:00"},"problem_types":["CWE-125","CWE-125 CWE-125: Out-of-bounds Read"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f","name":"https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f","refsource":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2025/12/03/8","name":"http://www.openwall.com/lists/oss-security/2025/12/03/8","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a","name":"https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a","refsource":"security-advisories@github.com","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2025/12/03/6","name":"http://www.openwall.com/lists/oss-security/2025/12/03/6","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2025/12/03/7","name":"http://www.openwall.com/lists/oss-security/2025/12/03/7","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/pnggroup/libpng/issues/764","name":"https://github.com/pnggroup/libpng/issues/764","refsource":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Issue Tracking","Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1","name":"https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1","refsource":"security-advisories@github.com","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-66293","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66293","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"pnggroup","product":"libpng","version":"affected < 1.6.52","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"66293","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"libpng","cpe5":"libpng","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"66293","cve":"CVE-2025-66293","epss":"0.003540000","percentile":"0.275560000","score_date":"2026-10-18","updated_at":"2026-10-19 00:13:08"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-66293","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-12-03T20:52:13.771582Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2025-12-03T20:55:03.573Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/pnggroup/libpng/issues/764"}],"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2025-12-04T01:31:47.574Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2025/12/03/6"},{"url":"http://www.openwall.com/lists/oss-security/2025/12/03/7"},{"url":"http://www.openwall.com/lists/oss-security/2025/12/03/8"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"libpng","vendor":"pnggroup","versions":[{"status":"affected","version":"< 1.6.52"}]}],"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. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-12-03T20:33:57.086Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f"},{"name":"https://github.com/pnggroup/libpng/issues/764","tags":["x_refsource_MISC"],"url":"https://github.com/pnggroup/libpng/issues/764"},{"name":"https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1","tags":["x_refsource_MISC"],"url":"https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1"},{"name":"https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a","tags":["x_refsource_MISC"],"url":"https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a"}],"source":{"advisory":"GHSA-9mpm-9pxh-mg4f","discovery":"UNKNOWN"},"title":"LIBPNG has an out-of-bounds read in png_image_read_composite"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2025-66293","datePublished":"2025-12-03T20:33:57.086Z","dateReserved":"2025-11-26T23:11:46.392Z","dateUpdated":"2025-12-04T01:31:47.574Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-03 21:15:53","lastModifiedDate":"2026-10-18 17:10:00","problem_types":["CWE-125","CWE-125 CWE-125: Out-of-bounds Read"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-12-03T20:52:13.771582Z","id":"CVE-2025-66293","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*","versionEndExcluding":"1.6.52","matchCriteriaId":"98FBE7B9-73DC-483B-87E8-5229792557C3"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"66293","Ordinal":"1","Title":"LIBPNG has an out-of-bounds read in png_image_read_composite","CVE":"CVE-2025-66293","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"66293","Ordinal":"1","NoteData":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later.","Type":"Description","Title":"LIBPNG has an out-of-bounds read in png_image_read_composite"}]}}}