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Advisory severityHigh7.0Vendor: MediumRed Hat Linux

High [CVE-2026-67326] Remote Code Execution via Newline Injection in config_writer

This high-severity Red Hat Linux advisory covers CVE-2026-67326 affecting Red Hat Hardened Images.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-67326 Source published Source updated

VulniPulse record published Record updated

CVE-2026-67326
Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

GitPython before 3.1.50 fails to validate newline characters in the section parameter of config_writer(), allowing attackers to inject arbitrary section headers into.git/config.

Attackers can inject newlines to create a forged [core] section with hooksPath pointing to attacker-controlled directories, achieving remote code execution when git hooks are triggered. A flaw was found in GitPython.

Red Hat severity: Moderate — CVSS 7 (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-93.

Affected Red Hat products: Red Hat Hardened Images. Red Hat fixing advisory: RHSA-2026:44416, RHSA-2026:45785, RHSA-2026:45940.

Affected versions
  • < 3.1.50

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Fixed versions
  • llvm-main-22.1.8-4.1.hum1
  • swift-lang-main-6.3.3-0.1.1.hum1
  • llvm21-main-21.1.8-8.hum1
  • RHSA-2026:44416
  • RHSA-2026:45785
  • RHSA-2026:45940

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Mitigation

Upgrade to a fixed release: llvm-main-22.1.8-4.1.hum1, swift-lang-main-6.3.3-0.1.1.hum1, llvm21-main-21.1.8-8.hum1, RHSA-2026:44416, RHSA-2026:45785, RHSA-2026:45940. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Discussion(0)

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