🛡️ JLSEC-2026-126 — libavif-jll
Description
In libavif before 1.3.0, avifImageRGBToYUV in reformat.c has integer overflows in multiplications...
In libavif before 1.3.0, avifImageRGBToYUV in reformat.c has integer overflows in multiplications involving rgbRowBytes, yRowBytes, uRowBytes, and vRowBytes.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability low.
Affected software
JLSEC-2026-126 is recorded against 1 package.
- libavif-jll
Timeline and source
Published on 17 April 2026 and last revised on 18 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
lists.debian.org (Web)
nvd.nist.gov (Web)
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| libavif-jll | — | — |
References
Similar Threats
- Unknown JLSEC-2026-125
More JLSEC 2026 advisories
Browse all of JLSEC 2026 in the advisory index.
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