DescriptionA vulnerability classified as problematic was found in GhostPCL 9.55.0. This vulnerability affects the function chunk_free_object of the file gsmchunk.c. The manipulation with a malicious file leads to a memory corruption. The attack can be initiated remotely but requires user interaction. The exploit has been disclosed to the public as a POC and may be used. It is recommended to apply the patches to fix this issue.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ghostscript (PTS)stretch9.26a~dfsg-0+deb9u6vulnerable
stretch (security)9.26a~dfsg-0+deb9u9vulnerable
buster, buster (security)9.27~dfsg-2+deb10u5vulnerable
bullseye (security), bullseye9.53.3~dfsg-7+deb11u2vulnerable
bookworm, sid9.56.1~dfsg-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Issue is in GhostPCL sourcewise shipped in src:ghostscript
Upstream report is as per 2022-04-15 not yet public

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