Out-of-bounds Write Affecting glibc-2.34-posix-libc-utils package, versions <2.34-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

Exploit Maturity
Attacked
EPSS
81.42% (100th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-GLIBC234POSIXLIBCUTILS-18227936
  • published23 Jul 2026
  • disclosed3 Oct 2023

Introduced: 3 Oct 2023

CVE-2023-4911  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Minimos:latest glibc-2.34-posix-libc-utils to version 2.34-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-2.34-posix-libc-utils package and not the glibc-2.34-posix-libc-utils package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

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

CVSS Base Scores

version 3.1