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CVE-2026-48029

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:570ae50098cd8c7e8b00adf215c491910d3f670fcf59c82b2fbe9dbe4e1c55c0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-191","description":"CWE-191: Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"libheif","vendor":"strukturag","versions":[{"status":"affected","version":">= 1.19.0, < 1.22.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-191","description":"CWE-191: Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157","tags":["x_refsource_MISC"],"url":"https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/references/1
{"name":"https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:015ee412afebd4918db0306110e27868d7b0b9edcbf267acc29fce22a865388c · sha256:aaa7b9b758d21b02… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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