- Description
- A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
- Source
- security@mozilla.org
- NVD status
- Modified
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
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- CWE-416
- Hype score
- Not currently trending
URGENT: #openSUSE Tumbleweed’s Firefox update fixes CVE-2025-6424 (RCE) + 12 other flaws. Patch guide: Read more: 👉https://t.co/9GsrnEbymU #InfoSec https://t.co/c9JQYknIwk
@Cezar_H_Linux
10 Jul 2025
42 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
⚠️Vulnerabilidades de Mozilla Firefox ❗CVE-2025-6424 ❗CVE-2025-6425 ➡️Más info: https://t.co/qDE6s1xYzL https://t.co/KFSf0hzcaj
@CERTpy
24 Jun 2025
193 Impressions
0 Retweets
0 Likes
1 Bookmark
0 Replies
0 Quotes
CVE-2025-6424 Use-After-Free in Firefox FontFaceSet Causing Potentially Exploitable Crash https://t.co/hUbMoBNq1x
@VulmonFeeds
24 Jun 2025
32 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
(CVE-2025-6424)[1966423]UAF in FontFaceSet::Load(exploitable crash) https://t.co/UTjdjFWolM https://t.co/ioFFGWAOMM Reported by @ljp_tw & @h3xr4bb1t Great job!
@xvonfers
24 Jun 2025
1793 Impressions
4 Retweets
25 Likes
14 Bookmarks
0 Replies
0 Quotes
CVE-2025-6424 A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, and Firefox ESR < 128.12. https://t.co/LVMDknGoVU
@CVEnew
24 Jun 2025
486 Impressions
0 Retweets
1 Like
0 Bookmarks
0 Replies
0 Quotes
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