CVE-2020-27792: Ghostscript: heap buffer over write vulnerability in ghostscript's lp8000_print_page() in gdevlp8k.c

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-19 · updated 2026-06-17
Weakness: CWE-119

Description

A heap-based buffer overwrite vulnerability was found in GhostScript's lp8000_print_page() function in the gdevlp8k.c file. This flaw allows an attacker to trick a user into opening a crafted PDF file, triggering the heap buffer overflow that could lead to memory corruption or a denial of service.

Affected products

Artifex Ghostscript: through 9.50
Debian Linux: 10.0

References

https://access.redhat.com/errata/RHSA-2025:4362
https://access.redhat.com/security/cve/CVE-2020-27792
https://bugzilla.redhat.com/show_bug.cgi?id=2247179
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7
https://access.redhat.com/security/cve/CVE-2020-27792
https://bugs.ghostscript.com/show_bug.cgi?id=701844
https://bugzilla.redhat.com/show_bug.cgi?id=2247179
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7
https://lists.debian.org/debian-lts-announce/2022/09/msg00005.html

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