CVE-2026-8090

HIGH

Use-after-free in the DOM: Networking component

Title source: cna
STIX 2.1

Description

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.

References (20)

Core 20
Core References

Scores

CVSS v3 7.3
EPSS 0.0032
EPSS Percentile 23.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-416 CWE-825
Status published
Products (9)
mozilla/firefox < 115.35.2
mozilla/firefox < 150.0.2
Mozilla/Firefox 115.35.2 - 115.*
Mozilla/Firefox 140.10.2 - 140.*
Mozilla/Firefox 150.0.2
mozilla/thunderbird < 140.10.2
mozilla/thunderbird < 150.0.2
Mozilla/Thunderbird 140.10.2 - 140.*
Mozilla/Thunderbird 150.0.2
Published May 07, 2026
Tracked Since May 07, 2026