CVE-2023-4911

Source
https://nvd.nist.gov/vuln/detail/CVE-2023-4911
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4911.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-4911
Downstream
Related
Published
2023-10-03T18:15:10Z
Modified
2025-10-23T05:13:31.655615Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / sourceware.org/git/glibc.git

Affected ranges

Type
GIT
Repo
https://sourceware.org/git/glibc.git
Events
Introduced
ae37d06c7d127817ba43850f0f898b793d42aea7
Fixed
ef321e23c20eebc6d6fb4044425c00e6df27b05f

Affected versions

glibc-2.*

glibc-2.34
glibc-2.34.9000
glibc-2.35
glibc-2.35.9000
glibc-2.36
glibc-2.36.9000
glibc-2.37
glibc-2.37.9000
glibc-2.38
glibc-2.38.9000