CVE-2026-8092 Details
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.
A vulnerability has been identified in Mozilla Firefox and Firefox ESR versions 115.35.1, 140.10.1, and 150.0.1. This vulnerability arises from memory safety issues, some of which indicated memory corruption. It is presumed that, with sufficient effort, these issues could have been exploited to execute arbitrary code.
Users can upgrade to Firefox 150.0.2, Firefox ESR 140.10.2, or Firefox ESR 115.35.2 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 8, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | CISA-ADP |
| CWE-416 | Use After Free | CISA-ADP |
| CWE-787 | Out-of-bounds Write | redhat-SADP |
| CWE-787 | Out-of-bounds Write | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| mozilla firefox | < 115.35.2 >= 140.0, < 140.10.2 >= 150.0, < 150.0.2 |
CPE
Remediation
| |
| mozilla thunderbird | >= 140.0, < 140.10.2 >= 150.0, < 150.0.2 |
CPE
Remediation
| |
Change History
10 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 28, 2026 | CVE Modified | redhat-SADP |
| Jul 15, 2026 | CVE Modified | redhat-SADP |
| Jun 30, 2026 | CVE Modified | redhat-SADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 18, 2026 | CVE Modified | [email protected] |
| May 11, 2026 | Initial Analysis | [email protected] |
| May 8, 2026 | CVE Modified | CISA-ADP |
| May 8, 2026 | CVE Modified | [email protected] |
| May 7, 2026 | New CVE Received | [email protected] |