libheif: heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow (strukturag libheif)

CVE-2026-48029
HIGH 7.1

At a glance

Source
NVD
EPSS
EPSS 0.36 % · percentile 30 ()
State
PUBLISHED
Published
Updated
Assigner
GitHub_M
NVD status
Analyzed

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.

Weaknesses (CWE)

  • CWE-125 — Out-of-bounds Read
  • CWE-191 — Integer Underflow (Wrap or Wraparound)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HGitHub_M
CVSS 3.1HIGH 7.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HNVD · security-advisories@github.com (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
strukturag · libheifaffected >= 1.19.0, < 1.22.0

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD