UpHeron
All vulnerabilities

Servers and applications

CVE-2020-36773

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).

Severity
Critical 9.8
Published
4 Feb 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
GhostscriptServers and applications · cpe:a:artifex:ghostscript
  • Version 9.51
  • Version 9.52
  • Version 9.52.1
  • Version 9.53.0-rc1
  • Version 9.53.0-rc2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-36773
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-36773