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CVE-2020-21710

Published: 22 August 2023

A divide by zero issue discovered in eps_print_page in gdevepsn.c in Artifex Software GhostScript 9.50 allows remote attackers to cause a denial of service via opening of crafted PDF file.

Priority

Medium

Cvss 3 Severity Score

5.5

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=commit;h=f70ab2044429fe4b991801476ea3f4b4a5c0cdf4
upstream: https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=4e713293de84b689c4ab358f3e110ea54aa81925

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H