CVE-2026-45186

ADVISORY - nist

Summary

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.

EPSS Score⁠: 0.00011 (0.015)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-407⁠

Inefficient Algorithmic Complexity

Impacted images

Advisories

NIST

CREATED

24 days ago

UPDATED

20 days ago

ADVISORY IDCVE-2026-45186⁠

EXPLOITABILITY SCORE

1.4

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-407⁠

CVSS SCORE

2.9low

Alpine

CREATED

21 days ago

UPDATED

21 days ago

ADVISORY IDCVE-2026-45186⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

24 days ago

UPDATED

10 days ago

ADVISORY IDCVE-2026-45186⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

23 days ago

UPDATED

15 days ago

ADVISORY IDCVE-2026-45186⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.5medium

Amazon

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY IDALAS2-2026-3315⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY IDALAS2023-2026-1725⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Photon

CREATED

13 days ago

UPDATED

13 days ago

ADVISORY ID

CVE-2026-45186

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.5high