{"id":"CVE-2026-22695","state":"PUBLISHED","title":"LIBPNG has a heap buffer over-read in png_image_read_direct_scaled (regression from CVE-2025-65018 fix)","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54.","publishedAt":"2026-01-12T22:55:40.204Z","updatedAt":"2026-01-13T19:07:10.972Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["pnggroup libpng"],"affected":[{"vendor":"pnggroup","product":"libpng","versions":[{"version":"< 1.6.54","status":"affected"}]}],"references":["https://github.com/pnggroup/libpng/security/advisories/GHSA-mmq5-27w3-rxpp","https://github.com/pnggroup/libpng/issues/778","https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea","https://github.com/pnggroup/libpng/commit/e4f7ad4ea2"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/22xxx/CVE-2026-22695.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22695","state":"PUBLISHED","datePublished":"2026-01-12T22:55:40.204Z","dateUpdated":"2026-01-13T19:07:10.972Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-08T19:23:09.855Z"},"containers":{"cna":{"title":"LIBPNG has a heap buffer over-read in png_image_read_direct_scaled (regression from CVE-2025-65018 fix)","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 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54."}],"affected":[{"vendor":"pnggroup","product":"libpng","versions":[{"version":"< 1.6.54","status":"affected"}]}],"references":[{"url":"https://github.com/pnggroup/libpng/security/advisories/GHSA-mmq5-27w3-rxpp","name":"https://github.com/pnggroup/libpng/security/advisories/GHSA-mmq5-27w3-rxpp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/pnggroup/libpng/issues/778","name":"https://github.com/pnggroup/libpng/issues/778","tags":["x_refsource_MISC"]},{"url":"https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea","name":"https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea","tags":["x_refsource_MISC"]},{"url":"https://github.com/pnggroup/libpng/commit/e4f7ad4ea2","name":"https://github.com/pnggroup/libpng/commit/e4f7ad4ea2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-12T22:55:40.204Z"},"source":{"advisory":"GHSA-mmq5-27w3-rxpp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-13T14:13:00.487878Z","id":"CVE-2026-22695","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-13T19:07:10.972Z"}}]}}}