CVE-2025-68431 is a heap buffer over-read vulnerability in libheif, a HEIF and AVIF file format decoder and encoder, affecting versions prior to 1.21.0. A specially crafted HEIF file can trigger a crash during image decoding due to an underflow when calculating row length, leading to a large read past the end of a buffer. This vulnerability has a CVSS score of 7.1 (HIGH), indicating a network-based attack with low complexity, requiring user interaction, and primarily impacting availability. There is no evidence of active exploitation, public exploit code, or significant community discussion beyond a single mention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.21.0CPE matchmatch criteria | cpe:2.3:a:struktur:libheif:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.