CVE-2025-3030: Use After Free
First published: Tue Apr 01 2025(Updated: )
Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox ESR | <128.9 | 128.9 |
| Thunderbird | <137 | 137 |
| Mozilla Thunderbird | <128.9 | 128.9 |
| Firefox | <137 | 137 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1850615%2C1932468%2C1942551%2C1951017%2C1951494
- https://www.mozilla.org/security/advisories/mfsa2025-20/
- https://www.mozilla.org/security/advisories/mfsa2025-22/
- https://www.mozilla.org/security/advisories/mfsa2025-23/
- https://www.mozilla.org/security/advisories/mfsa2025-24/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-24/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-23/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-22/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-20/
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/type
- agent/first-publish-date
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- agent/softwarecombine
- agent/author
- agent/weakness
- agent/severity
- agent/event
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/description
- collector/epss-latest
- source/FIRST
- agent/source
- agent/tags
- agent/epss
- vendor/mozilla
- canonical/firefox esr
- canonical/thunderbird
- canonical/mozilla thunderbird
- canonical/firefox