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CVE-2020-21890

Published: 22 August 2023

Buffer Overflow vulnerability in clj_media_size function in devices/gdevclj.c in Artifex Ghostscript 9.50 allows remote attackers to cause a denial of service or other unspecified impact(s) via opening of crafted PDF document.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
ghostscript
Launchpad, Ubuntu, Debian
bionic
Released (9.26~dfsg+0-0ubuntu0.18.04.18+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal
Released (9.50~dfsg-5ubuntu4.10)
jammy Not vulnerable
(9.55.0~dfsg1-0ubuntu5.4)
lunar Not vulnerable
(10.0.0~dfsg1-0ubuntu1.3)
mantic Not vulnerable
(10.01.2~dfsg1-0ubuntu1)
trusty Ignored
(end of standard support)
upstream
Released (9.51, 9.51~dfsg-1)
xenial
Released (9.26~dfsg+0-0ubuntu0.16.04.14+esm7)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
upstream: https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=494eeedf73d13fac5710e56f3a8fb2e7e2379d73

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