CVE-2026-25646: libpng1.6 (exact versions not specified); +1 more affected products

CVE-2026-25646 affects libpng1.6. EPSS 0.00718 (percentile 0.53064), scored 20-Oct-2026. Fixed version: 1.6.37-3ubuntu0.4. Fixed version: 1.6.43-5ubuntu0.5. Fixed version: 1.6.50-1ubuntu0.4. Fixed version: 1.2.50-1ubuntu2.14.04.3+esm1. Fixed version: 1.2.54-1ubuntu1.1+esm2. Fixed version: 1.6.20-2ubuntu0.1~esm3. Fixed version: 1.6.34-1ubuntu0.18.04.2+esm2. Fixed version: 1.6.37-2ubuntu0.1~esm2. Fixed version: 1.6.55-1.

Affected technology

libpng1.6 · Exact affected versions not specified by the source
Vendor not specified by the source

libpng · Exact affected versions not specified by the source
Vendor not specified by the source

libpng1.6 · Exact affected versions not specified by the source
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (OSV, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

OSV’s CVSS 4.0 assessment rates confidentiality and integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 22-Oct-2026 00:59 UTC

Product: libpng1.6
CCR priority: 0.2 /100 (P5)
CVSS 4.0: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N · OSV.dev
EPSS: 0.00718 · percentile 0.53274 · 2026-10-21
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-22 01:10:55.718059+00:00 UTC
OSV.dev · Source record · observed 2026-10-21 16:37:07.765749+00:00 UTC
OSV.dev · Source record · observed 2026-10-21 16:37:07.765749+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-25646.html