CVE-2025-6425
- Source
- https://cve.org/CVERecord?id=CVE-2025-6425
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6425.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-6425
- Downstream
- Related
- Published
- 2025-06-24T13:15:23.403Z
- Modified
- 2026-03-23T05:08:02.381624352Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. 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=1717672
Affected packages
Git /
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "115.25.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "140.0"
}
]
},
{
"events": [
{
"introduced": "116.0"
},
{
"fixed": "128.12.0"
}
]
}
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6425.json"