Dashboard / CVE-2026-56406

CVE-2026-56406

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 39/100
Published: 2026-06-21 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
libexpat_project libexpat < 2.8.2

References & Advisories (1)

Bug Bounty Relevance

39 / 100
✓ No authentication
✓ No user interaction

CVSS Score

6.9 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS — Exploitation Probability

0.17%
Raw Score 0.001740
Percentile 6.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00174
2026-10-28
0.00174

Intelligence Sources

nvd ref →

External Links