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CVE-2020-27818

Published: 8 December 2020

A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.

Priority

Medium

Cvss 3 Severity Score

3.3

Score breakdown

Status

Package Release Status
pngcheck
Launchpad, Ubuntu, Debian
impish Ignored
(end of life)
xenial
Released (2.3.0-7ubuntu0.16.04.1~esm1)
Available with Ubuntu Pro
bionic
Released (2.3.0-7ubuntu0.18.04.1~esm1)
Available with Ubuntu Pro
focal
Released (2.3.0-7ubuntu0.20.04.1)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Not vulnerable
(3.0.2-2)
kinetic Not vulnerable
(3.0.2-2)
lunar Not vulnerable
(3.0.3-1build1)
trusty Does not exist

upstream Needs triage

Severity score breakdown

Parameter Value
Base score 3.3
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L