CVE-2020-36773

EUVD-2020-24214
Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
Affected Products (NVD)
VendorProductVersion
artifexghostscript
9.51
artifexghostscript
9.52
artifexghostscript
9.52.1
artifexghostscript
9.53.0:rc1
artifexghostscript
9.53.0:rc2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ghostscript
bookworm
10.0.0~dfsg-11+deb12u4
fixed
bookworm (security)
10.0.0~dfsg-11+deb12u5
fixed
bullseye
9.53.3~dfsg-7+deb11u7
fixed
bullseye (security)
9.53.3~dfsg-7+deb11u8
fixed
buster
not-affected
sid
10.04.0~dfsg-1
fixed
trixie
10.04.0~dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ghostscript
bionic
not-affected
focal
not-affected
jammy
not-affected
mantic
not-affected
noble
not-affected
trusty
ignored
xenial
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
ghostscript
suse enterprise desktop 15 SP5
9.52-150000.185.1
fixed
suse enterprise desktop 15 SP6
9.52-150000.185.1
fixed
suse enterprise desktop 15 SP7
9.52-150000.185.1
fixed
suse enterprise sap 12 SP5
9.52-23.71.1
fixed
suse enterprise sap 15 SP5
9.52-150000.185.1
fixed
suse enterprise sap 15 SP6
9.52-150000.185.1
fixed
suse enterprise sap 15 SP7
9.52-150000.185.1
fixed
suse enterprise server 12 SP3
9.52-23.71.1
fixed
suse enterprise server 12 SP5
9.52-23.71.1
fixed
suse enterprise server 15 SP5
9.52-150000.185.1
fixed
suse enterprise server 15 SP6
9.52-150000.185.1
fixed
suse enterprise server 15 SP7
9.52-150000.185.1
fixed
ghostscript-devel
suse enterprise desktop 15 SP5
9.52-150000.185.1
fixed
suse enterprise desktop 15 SP6
9.52-150000.185.1
fixed
suse enterprise desktop 15 SP7
9.52-150000.185.1
fixed
suse enterprise sap 12 SP5
9.52-23.71.1
fixed
suse enterprise sap 15 SP5
9.52-150000.185.1
fixed
suse enterprise sap 15 SP6
9.52-150000.185.1
fixed
suse enterprise sap 15 SP7
9.52-150000.185.1
fixed
suse enterprise server 12 SP3
9.52-23.71.1
fixed
suse enterprise server 12 SP5
9.52-23.71.1
fixed
suse enterprise server 15 SP5
9.52-150000.185.1
fixed
suse enterprise server 15 SP6
9.52-150000.185.1
fixed
suse enterprise server 15 SP7
9.52-150000.185.1
fixed
ghostscript-x11
suse enterprise desktop 15 SP5
9.52-150000.185.1
fixed
suse enterprise desktop 15 SP6
9.52-150000.185.1
fixed
suse enterprise desktop 15 SP7
9.52-150000.185.1
fixed
suse enterprise sap 12 SP5
9.52-23.71.1
fixed
suse enterprise sap 15 SP5
9.52-150000.185.1
fixed
suse enterprise sap 15 SP6
9.52-150000.185.1
fixed
suse enterprise sap 15 SP7
9.52-150000.185.1
fixed
suse enterprise server 12 SP3
9.52-23.71.1
fixed
suse enterprise server 12 SP5
9.52-23.71.1
fixed
suse enterprise server 15 SP5
9.52-150000.185.1
fixed
suse enterprise server 15 SP6
9.52-150000.185.1
fixed
suse enterprise server 15 SP7
9.52-150000.185.1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
ghostscript
Amazon Linux 2
0:9.25-5.amzn2.0.9
fixed
ghostscript-cups
Amazon Linux 2
0:9.25-5.amzn2.0.9
fixed
ghostscript-debuginfo
Amazon Linux 2
0:9.25-5.amzn2.0.9
fixed
ghostscript-doc
Amazon Linux 2
0:9.25-5.amzn2.0.9
fixed
ghostscript-gtk
Amazon Linux 2
0:9.25-5.amzn2.0.9
fixed
libgs
Amazon Linux 2
0:9.25-5.amzn2.0.9
fixed
libgs-devel
Amazon Linux 2
0:9.25-5.amzn2.0.9
fixed
Common Weakness Enumeration
References
https://bugs.ghostscript.com/show_bug.cgi?id=702229
https://bugzilla.opensuse.org/show_bug.cgi?id=1177922
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874
https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530
https://bugs.ghostscript.com/show_bug.cgi?id=702229
https://bugzilla.opensuse.org/show_bug.cgi?id=1177922
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874
https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530