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CVE-2026-45186

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CVE-2026-45186

Published: May 10, 2026

Modified: May 11, 2026

PUBLISHED

CVSS v3.1

2.9

LOW

Description

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.

VendorProductVersions

libexpat project

libexpat

affected
0 - < 2.8.1

Weaknesses (CWE)

CWE-407

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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