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Vulnerability DatabaseCVE-2026-2781

CVE-2026-2781: 
NixOS vulnerability analysis and mitigation

Integer overflow in the Libraries component in NSS. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

Source: NVD

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-4370CRITICAL10
  • NixOSNixOS
  • juju
NoYesApr 01, 2026
CVE-2026-34235MEDIUM6.9
  • NixOSNixOS
  • pjsip
NoYesMar 31, 2026
CVE-2026-34730MEDIUM5.5
  • PythonPython
  • copier
NoYesApr 02, 2026
CVE-2026-32113MEDIUM5.1
  • NixOSNixOS
  • cpe:2.3:a:discourse:discourse
NoYesMar 31, 2026
CVE-2026-34726MEDIUM4.4
  • PythonPython
  • copier
NoYesApr 02, 2026

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