cve.bz

CVE-2026-45186

7.5 highEPSS 0.5%

High (7.5) in libexpat project libexpat. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE
CWE-407
Published
Modified
Record from
the NVD, synced

Affected

References

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