VulnerabilityAnalyzed
CVE-2026-48029
libheif is a HEIF and AVIF file format decoder and encoder.
HIGH 7.1EPSS 0.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-191
- Affected
- struktur/libheif
- Source
- security-advisories@github.com
References
- https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157Patch
- https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqvMitigation, Vendor Advisory, Exploit
- https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqvMitigation, Vendor Advisory, Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.