CVE Database · CVE-2023-4911
CVSS v3.1
7.8
EPSS
78.61%
Published
Oct 3, 2023
Modified
May 12, 2026
CISA Known Exploited Vulnerability
Added: 2023-11-21 · Due: 2023-12-12
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit (10)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (83)
References (20)
...and 33 more