{"id":"CVE-2026-48029","state":"PUBLISHED","title":"libheif: heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow","description":"libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue.","publishedAt":"2026-07-22T14:13:27.879Z","updatedAt":"2026-07-22T15:20:39.509Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["strukturag libheif"],"affected":[{"vendor":"strukturag","product":"libheif","versions":[{"version":">= 1.19.0, < 1.22.0","status":"affected"}]}],"references":["https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv","https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157"],"weaknesses":["CWE-125","CWE-191"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48029.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48029","state":"PUBLISHED","datePublished":"2026-07-22T14:13:27.879Z","dateUpdated":"2026-07-22T15:20:39.509Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-20T17:44:09.587Z"},"containers":{"cna":{"title":"libheif: heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow","descriptions":[{"lang":"en","value":"libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue."}],"affected":[{"vendor":"strukturag","product":"libheif","versions":[{"version":">= 1.19.0, < 1.22.0","status":"affected"}]}],"references":[{"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv","name":"https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157","name":"https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157","tags":["x_refsource_MISC"]}],"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","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-191","lang":"en","description":"CWE-191: Integer Underflow (Wrap or Wraparound)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-22T14:13:27.879Z"},"source":{"advisory":"GHSA-6x5f-qchq-cxqv","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-22T15:20:15.371762Z","id":"CVE-2026-48029","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-22T15:20:39.509Z"}}]}}}