Memory safety bugs present in Firefox 139 and Thunderbird 139. 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 affects Firefox < 140 and Thunderbird < 140.
CVSS
No CVSS.
References
Configurations
History
14 Jul 2025, 19:15
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| Summary | Memory safety bugs present in Firefox 139 and Thunderbird 139. 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 affects Firefox < 140 and Thunderbird < 140. |
03 Jul 2025, 16:09
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| First Time |
Mozilla firefox
Mozilla |
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| CPE | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* | |
| References | () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1941377%2C1960948%2C1966187%2C1966505%2C1970764 - Broken Link | |
| References | () https://www.mozilla.org/security/advisories/mfsa2025-51/ - Vendor Advisory |
24 Jun 2025, 13:15
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| New CVE |
Information
Published : 2025-06-24 13:15
Updated : 2025-07-14 19:15
NVD link : CVE-2025-6436
Mitre link : CVE-2025-6436
JSON object : View
Products Affected
mozilla
- firefox
CWE
No CWE.