high7.5

CVE-2026-84447

libheif is a HEIF and AVIF file format decoder and encoder.

Impact

libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.1 and earlier, crafted grid, iovl, and iden reference graphs can repeatedly decode the same base image because processed_ids is copied per branch and ImageItem::decode_image() has no shared operation budget. This vulnerability is fixed in 1.23.2.

Affected packages

This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.

Weakness classification

CWE-770

References

NVD record
CVE.org record
https://github.com/strukturag/libheif/commit/30b52a4e829efe0ee6d7208e8500b99f664af5e9
https://github.com/strukturag/libheif/releases/tag/v1.23.2
https://github.com/strukturag/libheif/security/advisories/GHSA-x8xm-cm2c-cfc8
https://github.com/strukturag/libheif/security/advisories/GHSA-x8xm-cm2c-cfc8