CVE-2023-4911
HIGH7.8⚠ KEVEPSS 64.3%glibc - security update
Published: 10/3/2023Modified: 4/28/2026Added to CISA KEV: 11/21/2023
Description
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.
Affected packages (2)
- Debian/glibcfrom 0, < 2.31-13+deb11u7
- Debian/glibcfrom 0, < 2.31-13+deb11u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |