CVE-2020-36773

CRITICAL

Artifex Ghostscript <9.53.0 - Memory Corruption

Title source: llm
STIX 2.1

Description

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).

Scores

CVSS v3 9.8
EPSS 0.0011
EPSS Percentile 28.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416 CWE-787
Status published
Products (4)
artifex/ghostscript 9.51
artifex/ghostscript 9.52
artifex/ghostscript 9.52.1
artifex/ghostscript 9.53.0 rc1 (2 CPE variants)
Published Feb 04, 2024
Tracked Since Feb 18, 2026