VDB
DEBIAN-CVE-2025-5266
DEBIAN-CVE-2025-5266
PUBLISHED
CVSS 4.300000190734863 MEDIUM
Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Risk Scores
CVSS 3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | firefox-esr | 0 |
| Debian:12 | firefox-esr | 128.9.0esr-2, 128.9.0esr-1, 128.9.0esr-1~deb11u1 |
| Debian:13 | thunderbird | 0 |
| Debian:14 | firefox-esr | 0 |
| Debian:14 | thunderbird | 0 |
| Debian:12 | thunderbird | 1:128.5.0esr-1, 1:128.5.0esr-1~deb11u1, 1:128.5.0esr-1~deb12u1 |
Timeline
- May 27, 2025 CVE Published
- Oct 6, 2026 CVE Updated