Vulnerability CVE-2020-36773
Published: 2024-02-04

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).

 References:
https://bugs.ghostscript.com/show_bug.cgi?id=702229
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874
https://bugzilla.opensuse.org/show_bug.cgi?id=1177922
https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530
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