# CVE-2023-4911: A GNU C Library bug is being used in attacks

Status: Being used now (CISA KEV, added 2023-11-21)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is GNU GNU C Library (CVE-2023-4911) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2023-4911. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
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.

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

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.