HIGHCVSS 7.8KNOWN EXPLOITED

CVE-2023-4911

CVE-2023-4911 updated by NVD

Published: 2023-11-21
Modified: 2026-11-04
Sources: cisa-kev, nvd

Summary

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

References

https://nvd.nist.gov/vuln/detail/CVE-2023-4911

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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