What is CVE-2026-47714?

CVE-2026-47714 is a medium-severity vulnerability in Strukturag Libheif, classified under Integer Overflow or Wraparound. CVSS score: 6.1/10. Published 2026-07-21.

How severe is CVE-2026-47714?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Integer overflow in Strukturag Libheif

CVE-2026-47714

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, the inline mask parsing code in `libheif/region.cc` contains an integer overflow. Both `width` and `height` are `unsigned int` (32-bit) values parsed…

Vulnerability class: Integer Overflow

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/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-190 — Integer Overflow or Wraparound

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-47714?: CVE-2026-47714 is a medium-severity vulnerability in Strukturag Libheif, classified under Integer Overflow or Wraparound. CVSS score: 6.1/10. Published 2026-07-21.
How severe is CVE-2026-47714?: Medium severity. CVSS v3 base score is 6.1 out of 10.