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CVE-2020-35511

Published: 23 August 2022

A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
pngcheck
Launchpad, Ubuntu, Debian
bionic
Released (2.3.0-7ubuntu0.18.04.1~esm1)
Available with Ubuntu Pro
focal
Released (2.3.0-7ubuntu0.20.04.1)
jammy Not vulnerable
(3.0.2-2)
kinetic Not vulnerable
(3.0.2-2)
lunar Not vulnerable
(3.0.3-1build1)
mantic Ignored
(end of life, was needed)
noble Needed

trusty Ignored
(end of standard support)
upstream Needs triage

xenial
Released (2.3.0-7ubuntu0.16.04.1~esm1)
Available with Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H