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

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在随 Red Hat Enterprise Linux 8 发布的 Ghostscript 中发现一处漏洞。在从版本 9.25 重新基线（rebase）至 9.27 的过程中，遗漏了对 CVE-2019-14869 的修复，导致 过程中的特权 操作保护不足。处理经过精心构造的 PostScript 文件时，攻击者可能绕过 限制，访问允许路径之外的文件，或以 Ghostscript 进程的权限执行命令。

CVSS 7.3 · High
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I. Basic Information for CVE-2026-112177

Vulnerability Information
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Vulnerability Title
Ghostscript: reintroduction of .charkeys -dsafer bypass in rhel 8
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权API的不正确使用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-112177

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III. Intelligence Information for CVE-2026-112177

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Patches & Fixes for CVE-2026-112177 (1)

Vendor Advisories for CVE-2026-112177 (2)

Same Patch Batch · Red Hat · 2026-10-20 · 6 CVEs total

CVE-2026-105312 9.9 CRITICAL Console-operator: streams for apache kafka console: tenant-controlled container image on c
CVE-2026-105941 8.1 HIGH Kroxylicious-kms-provider-azure-key-vault-kms: streams for apache kafka kroxylicious: azur
CVE-2026-105311 7.7 HIGH Console-operator: streams for apache kafka console: cross-namespace kafkauser secret exfil
CVE-2026-113496 5.0 MEDIUM Cockpit-machines: vnc console password disclosure through virt-xml command-line arguments
CVE-2026-113495 5.0 MEDIUM Cockpit-machines: rhsm access-token disclosure through image helper command-line arguments

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-648

V. Comments for CVE-2026-112177

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