CVE-2026-33416: azl3 libpng 1.6.55-1 on Azure Linux 3.0 (exact versions not specified); +1 more affected products

CVE-2026-33416 affects azl3 libpng 1.6.55-1 on Azure Linux 3.0. CVSS 3.1 base score 7.5 (Microsoft Security Response Center). EPSS 0.01071 (percentile 0.64627), scored 24-Oct-2026. Fixed version: d5515b5b8be3901aac04e5bd8bd5c89f287bcd33. Fixed version: 23019269764e35ed8458e517f1897bd3c54820eb. Fixed version: 7ea9eea884a2328cc7fdcb3c0c00246a50d90667. Fixed version: a3a21443ed12bfa1ef46fa0d4fb2b74a0fa34a25. Fixed version: c1b0318b393c90679e6fa5bc1d329fd5d5012ec1.

Affected technology

azl3 libpng 1.6.55-1 on Azure Linux 3.0 · Exact affected versions not specified by the source
Microsoft

cbl2 libpng 1.6.55-1 on CBL Mariner 2.0 · Exact affected versions not specified by the source
Microsoft

Component: Not specified by the source

Attack conditions (Microsoft Security Response Center, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

Microsoft Security Response Center’s CVSS 3.1 assessment rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 00:59 UTC

Product: azl3 libpng 1.6.55-1 on Azure Linux 3.0
CCR priority: 30.3 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H · Microsoft Security Response Center
EPSS: 0.01071 · percentile 0.64627 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
OSV.dev · Source record · observed 2026-10-24 16:38:25.544256+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-33416.html