CVE-2025-6424
- Source
- https://cve.org/CVERecord?id=CVE-2025-6424
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6424.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-6424
- Downstream
- Related
- Published
- 2025-06-24T13:15:23.273Z
- Modified
- 2026-03-15T22:52:18.497075Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.debian.org/debian-lts-announce/2025/06/msg00029.html
- https://lists.debian.org/debian-lts-announce/2025/07/msg00002.html
- https://www.mozilla.org/security/advisories/mfsa2025-54/
- https://www.mozilla.org/security/advisories/mfsa2025-55/
- https://www.mozilla.org/security/advisories/mfsa2025-51/
- https://www.mozilla.org/security/advisories/mfsa2025-52/
- https://www.mozilla.org/security/advisories/mfsa2025-53/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1966423
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6424.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "115.25.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "140.0"
}
]
},
{
"events": [
{
"introduced": "116.0"
},
{
"fixed": "128.12.0"
}
]
}
]