CVE-2026-2781 (GCVE-0-2026-2781)

Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-04-13 13:53
VLAI?
Title
Integer overflow in the Libraries component in NSS
Summary
Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 140.8 , ≤ 140.* (rpm)
Unaffected: 148 , ≤ * (rpm)
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    Mozilla Thunderbird Unaffected: 140.8 , ≤ 140.* (rpm)
Unaffected: 148 , ≤ * (rpm)
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Credits
Clay Ver Valen
Show details on NVD website
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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