CVE-2026-8092

HIGH

Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2

Title source: cna
STIX 2.1

Description

Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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 8.1
EPSS 0.0038
EPSS Percentile 30.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-125 CWE-416 CWE-787
Status published
Products (8)
mozilla/firefox < 115.35.2
Mozilla/Firefox 115.35.2 - 115.*
Mozilla/Firefox 140.10.2 - 140.*
mozilla/firefox 150.0 - 150.0.2
Mozilla/Firefox 150.0.2
mozilla/thunderbird 140.0 - 140.10.2
Mozilla/Thunderbird 140.10.2 - 140.*
Mozilla/Thunderbird 150.0.2
Published May 07, 2026
Tracked Since May 07, 2026