CVE-2025-4919
- Source
- https://cve.org/CVERecord?id=CVE-2025-4919
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-4919.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-4919
- Downstream
- Related
- Published
- 2025-05-17T22:15:19.653Z
- Modified
- 2026-03-13T08:00:13.152730Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2.
- References
-
- https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
- https://www.mozilla.org/security/advisories/mfsa2025-36/
- https://www.mozilla.org/security/advisories/mfsa2025-37/
- https://www.mozilla.org/security/advisories/mfsa2025-38/
- https://www.mozilla.org/security/advisories/mfsa2025-40/
- https://www.mozilla.org/security/advisories/mfsa2025-41/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1966614
Affected packages
Git /
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "115.23.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "138.0.4"
}
]
},
{
"events": [
{
"introduced": "116.0"
},
{
"fixed": "128.10.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "128.10.2"
}
]
},
{
"events": [
{
"introduced": "138.0"
},
{
"fixed": "138.0.2"
}
]
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-4919.json"