CVE-2026-86140

ADVISORY - nist

Summary

In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow.

EPSS Score⁠: 0.0021 (0.099)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-121⁠

Stack-based Buffer Overflow

Impacted images

Advisories

NIST

CREATED

21 days ago

UPDATED

10 days ago

ADVISORY IDCVE-2026-86140⁠

EXPLOITABILITY SCORE

2.5

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-121⁠

CVSS SCORE

8high

Alpine

CREATED

10 days ago

UPDATED

12 hours ago

ADVISORY IDCVE-2026-86140⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

20 days ago

UPDATED

5 days ago

ADVISORY IDCVE-2026-86140⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

19 days ago

UPDATED

4 days ago

ADVISORY IDCVE-2026-86140⁠

EXPLOITABILITY SCORE

1.8

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.8medium

Alma

CREATED

2 days ago

UPDATED

9 hours ago

ADVISORY IDALSA-2026:71585⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

2 days ago

UPDATED

9 hours ago

ADVISORY IDALSA-2026:71641⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

4 hours ago

UPDATED

3 hours ago

ADVISORY IDRLSA-2026:71585⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

10 hours ago

UPDATED

8 hours ago

ADVISORY IDRLSA-2026:71586⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY IDELSA-2026-71585⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

22 hours ago

UPDATED

22 hours ago

ADVISORY IDELSA-2026-71586⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Photon

CREATED

6 days ago

UPDATED

2 days ago

ADVISORY ID

CVE-2026-86140

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.8high