CVE-2020-27792

Name	CVE-2020-27792
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3096-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ghostscript (PTS)	bullseye	9.53.3~dfsg-7+deb11u7	fixed
	bullseye (security)	9.53.3~dfsg-7+deb11u9	fixed
	bookworm	10.0.0~dfsg-11+deb12u5	fixed
	bookworm (security)	10.0.0~dfsg-11+deb12u6	fixed
	sid, trixie	10.04.0~dfsg-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ghostscript	source	buster	9.27~dfsg-2+deb10u6		DLA-3096-1
ghostscript	source	(unstable)	9.51~dfsg-1

Notes

https://bugs.ghostscript.com/show_bug.cgi?id=701844
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7 (ghostpdl-9.51rc1)