Back to search
CVE-2025-5272
Published: May 27, 2025
Modified: Apr 13, 2026
PUBLISHED
Description
Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 139 and Thunderbird 139.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | unaffected 139 - <= * |
Mozilla | Thunderbird | unaffected 139 - <= * |
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now