CVE-2026-41080

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Summary

CVECVE-2026-41080
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-16 17:16:54 UTC
Updated2026-04-18 04:16:24 UTC
Descriptionlibexpat before 2.7.6 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

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

EPSS: 0.000250000 probability, percentile 0.069020000 (date 2026-04-21)

Problem Types: CWE-331 | CWE-331 CWE-331 Insufficient Entropy

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1[email protected]Secondary2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Libexpat Project Libexpat affected 2.7.6 semver Not specified

References

ReferenceSourceLinkTags
github.com/libexpat/libexpat/issues/47 [email protected] github.com
github.com/libexpat/libexpat/pull/1183 [email protected] github.com
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