Information disclosure in Strukturag Libheif

CVE-2026-32814

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, when decoding a HEIF grid image with strict_decoding=false (the default), a corrupted tile silently fails to decode and the library returns heif_erro…

Vulnerability class: Information Disclosure

EPSS: 0.000 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-32814?
CVE-2026-32814 is a medium-severity vulnerability in Strukturag Libheif, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-05-19.
How severe is CVE-2026-32814?
Medium severity. CVSS v3 base score is 6.5 out of 10.