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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ghostscript (PTS)buster9.27~dfsg-2+deb10u5vulnerable
buster (security)9.27~dfsg-2+deb10u9vulnerable
bullseye (security)9.53.3~dfsg-7+deb11u7vulnerable
bookworm (security)10.0.0~dfsg-11+deb12u4vulnerable
sid, trixie10.03.1~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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