CVE-2026-112177 Ghostscript: reintroduction of .charkeys -dsafer bypass in rhel 8

High 7.3 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-112177?

CVE-2026-112177 is a high-severity vulnerability in Red Hat Enterprise Linux 10, published on 20 Oct 2026.

Official description

A flaw was found in Ghostscript as shipped with Red Hat Enterprise Linux 8. The correction for CVE-2019-14869 was omitted during the rebase from version 9.25 to 9.27, leaving privileged .forceput operations in the .charkeys procedure insufficiently protected. Processing a specially crafted PostScript file may allow an attacker to bypass -dSAFER restrictions and access files outside the permitted paths or execute commands with the permissions of the Ghostscript process.

Weakness: CWE-648

Which versions are affected by CVE-2026-112177?

How do I fix CVE-2026-112177?

No fix has been published for CVE-2026-112177 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-112177 being exploited?

There is no known exploitation of CVE-2026-112177 in the wild and no public exploit code.

Sources

Also known as GHSA-4hx3-pq6p-jhg6.

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