VDB
DEBIAN-CVE-2021-38509
DEBIAN-CVE-2021-38509
PUBLISHED
CVSS 4.300000190734863 MEDIUM
Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Risk Scores
CVSS v3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | firefox-esr | 0, 0, 0 |
| Debian:13 | firefox-esr | 0, 0, 0 |
| Debian:12 | firefox-esr | 0, 0, 0 |
| Debian:14 | thunderbird | 0, 0, 0 |
| Debian:11 | firefox-esr | 78.15.0, 78.15.0, 91.0.1 |
| Debian:11 | thunderbird | 1:91.0~b3-1, 1:91.0~b5-1, 1:91.1.0-1 |
| Debian:13 | thunderbird | 0, 0, 0 |
| Debian:12 | thunderbird | 0, 0, 0 |
Timeline
- Dec 8, 2021 CVE Published
- Apr 28, 2026 CVE Updated