CVE-2026-8090 (GCVE-0-2026-8090)

Vulnerability from cvelistv5 – Published: 2026-05-07 12:45 – Updated: 2026-05-08 12:19
VLAI?
Title
Use-after-free in the DOM: Networking component
Summary
Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
Severity ?
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 115.35.2 , ≤ 115.* (rpm)
Unaffected: 140.10.2 , ≤ 140.* (rpm)
Unaffected: 150.0.2 , ≤ * (rpm)
Create a notification for this product.
Mozilla Thunderbird Unaffected: 140.10.2 , ≤ 140.* (rpm)
Unaffected: 150.0.2 , ≤ * (rpm)
Create a notification for this product.
Credits
Kevin Brosnan
Show details on NVD website
To clipboard 

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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.



Detection rules are retrieved from Rulezet.