- Description
- Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 134 and Thunderbird 134.
- Source
- security@mozilla.org
- NVD status
- Modified
- Products
- firefox, thunderbird
CVSS 3.1
- Type
- Secondary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
- nvd@nist.gov
- CWE-787
- Hype score
- Not currently trending
🚨 CRITICAL: CVE-2025-0247 (CVSS 9.8) - Memory corruption bugs in Firefox 133 & Thunderbird 133 could enable arbitrary code execution. Update to v134 immediately. #CVE #PatchNow https://t.co/VwxLZWbTIf
@giuseppe_1337
13 Apr 2026
103 Impressions
0 Retweets
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CVE-2025-0247 Memory safety bugs present in Firefox 133 and Thunderbird 133. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of th… https://t.co/3h6CxYLPGf
@CVEnew
8 Jan 2025
280 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
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