DEBIAN-CVE-2023-4911

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Source
https://security-tracker.debian.org/tracker/CVE-2023-4911
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4911.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2023-4911
Upstream
Published
2023-10-03T18:15:10Z
Modified
2025-09-30T05:16:14.196015Z
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

Debian:11 / glibc

Package

Name
glibc
Purl
pkg:deb/debian/glibc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.31-13+deb11u7

Affected versions

2.*

2.31-13
2.31-13+deb11u1
2.31-13+deb11u2
2.31-13+deb11u3
2.31-13+deb11u4
2.31-13+deb11u5
2.31-13+deb11u6

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / glibc

Package

Name
glibc
Purl
pkg:deb/debian/glibc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.36-9+deb12u3

Affected versions

2.*

2.36-9
2.36-9+deb12u1
2.36-9+deb12u2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / glibc

Package

Name
glibc
Purl
pkg:deb/debian/glibc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.37-12

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / glibc

Package

Name
glibc
Purl
pkg:deb/debian/glibc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.37-12

Ecosystem specific 

{
    "urgency": "not yet assigned"
}