Vulnerability DatabaseCVE-2026-41080
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CVE-2026-41080
Published:April 16, 2026
Updated:May 06, 2026
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
Affected Packages
expat (CONAN):
Affected version(s) >=2.2.7 <2.8.0
Fix Suggestion:
Update to version 2.8.0
https://github.com/libexpat/libexpat.git (GITHUB):
Affected version(s) >=R_1_95_0 <R_2_8_0
Fix Suggestion:
Update to version R_2_8_0
Related Resources (5)
http://www.openwall.com/lists/oss-security/2026/04/26/1
https://github.com/libexpat/libexpat/pull/1183
https://www.openwall.com/lists/oss-security/2026/04/26/1
https://blog.hartwork.org/posts/expat-2-8-0-released/
https://github.com/libexpat/libexpat/issues/47
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CVSS v4
Base Score:
2.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Insufficient Entropy
CWE-331
EPSS
Base Score:
0.03