CVE-2023-5156

HIGH EPSS 67.7%

Published Sep 25, 20232y ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published Sep 25, 2023 2y ago

Last Modified Jun 17, 2026 2w ago

Description

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

67.7% percentile

Exploit & Patch Status

No Known Exploit

Patch Available

Weaknesses 1

CWE-401

Affected Products 3

Vendor	Product	Version	Range
gnu	glibc	*	≥2.34 – <2.39
redhat	enterprise_linux	8.0	any
redhat	enterprise_linux	9.0	any

References 9

openwall.com http://www.openwall.com/lists/oss-security/2023/10/03/4
openwall.com http://www.openwall.com/lists/oss-security/2023/10/03/5
openwall.com http://www.openwall.com/lists/oss-security/2023/10/03/6
openwall.com http://www.openwall.com/lists/oss-security/2023/10/03/8
access.redhat.com https://access.redhat.com/security/cve/CVE-2023-5156

Third Party Advisory
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2240541

Issue TrackingPatch
security.gentoo.org https://security.gentoo.org/glsa/202402-01
sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=30884

Issue TrackingPatch
sourceware.org https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ec6b95c3303c700eb89eebeda2d7264cc184a796

Mailing ListPatch

Remediation

bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2240541

Issue TrackingPatch
sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=30884

Issue TrackingPatch
sourceware.org https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ec6b95c3303c700eb89eebeda2d7264cc184a796

Mailing ListPatch