What is CVE-2020-36773?

CVE-2020-36773 is a critical-severity vulnerability in Artifex Ghostscript, classified under Use After Free. CVSS score: 9.8/10. Published 2024-02-04.

How severe is CVE-2020-36773?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in Artifex Ghostscript

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…

Vulnerability class: Use-After-Free

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Artifex Ghostscript — versions 9.51, 9.52, 9.52.1
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Patch, Issue Tracking)
cve@mitre.org (Broken Link)
cve@mitre.org (Issue Tracking)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2020-36773?: CVE-2020-36773 is a critical-severity vulnerability in Artifex Ghostscript, classified under Use After Free. CVSS score: 9.8/10. Published 2024-02-04.
How severe is CVE-2020-36773?: Critical severity. CVSS v3 base score is 9.8 out of 10.