CVE-2026-33636: LIBPNG has ARM NEON Palette Expansion Out-of-Bounds Read on AArch64
Overview
- Severity
- High (CVSS 7.6)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-29
- EPSS Score
- 0.03% (percentile: 9.3%)
Affected Products (2)
Open Source Software
- azl3 libpng 1.6.55-1 on Azure Linux 3.0
- cbl2 libpng 1.6.55-1 on CBL Mariner 2.0
Revision History
- 2026-03-29: Information published.