Google: sys-libs/glibc: security update to 17965.0.0

high Tenable Cloud Security Plugin ID 451483

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2023-4911)

Solution

Update the sys-libs/glibc library and its related packages to version 17965.0.0 or later.

Plugin Details

Severity: High

ID: 451483

Version: Revision 1.2

Type: Local

Family: Google COS Security Checks

Published: 10/1/2026

Updated: 10/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

Percentile: 99.95

Vendor

Vendor Severity: HIGH

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-4911

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 6/13/2023

CISA Known Exploited Vulnerability Due Dates: 12/12/2023

Exploitable With

Core Impact

Metasploit (Glibc Tunables Privilege Escalation CVE-2023-4911 (aka Looney Tunables))

Reference Information

CVE: CVE-2023-4911

Detections

Analytics