CVE-2024-8176

HIGH 1 PoC
MEDIUM Priority: 0.10 BB Relevance: 85/100
Published: 2025-03-14 Modified: 2026-11-05 First seen: 2026-11-05 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 stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash. This issue could lead to denial of service (DoS) or, in some cases, exploitable memory corruption, depending on the environment and library usage.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
— — 0 < 2.7.0

References & Advisories (41)

https://access.redhat.com/errata/RHSA-2025:13681
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22033
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22034
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22035
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22607
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22785
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22842
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22871
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3531
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3734
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3913
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:4048
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:4446
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:4447
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:4448
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:4449
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:7444
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:7512
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8385
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2310137
issue-tracking x_refsource_REDHAT
Showing 25 of 41 references

Proof of Concept (1)

Bug Bounty Relevance

85 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

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

1.35%
Raw Score 0.013530
Percentile 72.0%
Date 2026-11-14

EPSS Trend

2026-11-14
0.01353
2026-11-13
0.01353
2026-11-12
0.01353
2026-11-10
0.01353
2026-11-09
0.01353
2026-11-08
0.01353
2026-11-07
0.01353
2026-11-06
0.01353
2026-11-05
0.01353

Intelligence Sources

mitre ref →
nvd ref →