GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code. This CVE correctly remediates the vulnerability in CVE-2014-6271.

Published 28 Sep 2026Updated 28 Sep 20261652 sources
CVSS 10.0 ✓ VERIFIED REFERENCE△ CISA KEV

Source timeline

Discovered through CISA Known Exploited VulnerabilitiesView source ↗
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Added to CISA Known Exploited Vulnerabilities catalogView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗