Dashboard / CVE-2023-5156

CVE-2023-5156

HIGH
MEDIUM Priority: 0.12 BB Relevance: 75/100
Published: 2023-09-25 Modified: 2026-11-07 First seen: 2026-11-07 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
gnu glibc 2.34 – 2.39
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0

References & Advisories (11)

https://bugzilla.redhat.com/show_bug.cgi?id=2240541
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

1.63%
Raw Score 0.016260
Percentile 76.5%
Date 2026-11-13

EPSS Trend

2026-11-13
0.01626
2026-11-12
0.01626
2026-11-10
0.01626
2026-11-09
0.01626
2026-11-08
0.01626
2026-11-07
0.01652
2026-11-06
0.01626

Intelligence Sources

mitre ref →
nvd ref →

External Links