CVE-2025-4093
Publication date 29 April 2025
Last updated 7 May 2025
Ubuntu priority
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 128.10 and Thunderbird < 128.10.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| thunderbird | 25.04 plucky |
Not affected
|
| 24.10 oracular |
Not affected
|
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2025-4093
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-29/#CVE-2025-4093
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-32/#CVE-2025-4093
- https://bugzilla.mozilla.org/show_bug.cgi?id=1894100
- https://www.mozilla.org/security/advisories/mfsa2025-29/
- https://www.mozilla.org/security/advisories/mfsa2025-32/