CVE-2026-112177 is a vulnerability in Red Hat Enterprise Linux (RHEL)
Published on October 20, 2026
Ghostscript: reintroduction of .charkeys -dsafer bypass in rhel 8
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.
Vulnerability Analysis
CVE-2026-112177 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Timeline
Reported to Red Hat.
Made public. 8 days later.
Weakness Type
Incorrect Use of Privileged APIs
The application does not conform to the API requirements for a function call that requires extra privileges. This could allow attackers to gain privileges by causing the function to be called incorrectly.
Products Associated with CVE-2026-112177
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Affected Versions
Red Hat Enterprise Linux 8:- Version 0:9.27-20.el8_10 and below * is unaffected.