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CVE-2026-6766

ADVISORY - nist

Summary

Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-754⁠

Improper Check for Unusual or Exceptional Conditions

ADVISORY - redhat

CWE-125⁠

Out-of-bounds Read

Impacted images

Advisories

NIST

CREATED

UPDATED

ADVISORY IDCVE-2026-6766⁠
EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CWE-754⁠

CVSS SCORE

7.5high

Alpine

CREATED

UPDATED

ADVISORY IDCVE-2026-6766⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

UPDATED

ADVISORY IDCVE-2026-6766⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

UPDATED

ADVISORY IDCVE-2026-6766⁠
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Red Hat

CREATED

UPDATED

ADVISORY IDCVE-2026-6766⁠
EXPLOITABILITY SCORE

2.8

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CWE-125⁠

CVSS SCORE

6.1medium