What is CVE-2026-32882?

CVE-2026-32882 is a high-severity vulnerability in Strukturag Libheif, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-05-19.

How severe is CVE-2026-32882?

High severity. CVSS v3 base score is 7.1 out of 10.

Out-of-bounds Read in Strukturag Libheif

CVE-2026-32882

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and prior contain a heap buffer over-read in HeifPixelImage::overlay() in libheif/pixelimage.cc. When compositing an overlay image (iovl) whose child image has a d…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (14.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

Affected products

Strukturag Libheif — versions < 1.22.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32882?: CVE-2026-32882 is a high-severity vulnerability in Strukturag Libheif, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-05-19.
How severe is CVE-2026-32882?: High severity. CVSS v3 base score is 7.1 out of 10.