GNU C Library Buffer Overflow Vulnerability

GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.

Published 5 Oct 2026Updated 5 Oct 2026252 sources
CVSS 7.8 ✓ 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 ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗