VDB
DEBIAN-CVE-2026-4698
DEBIAN-CVE-2026-4698
PUBLISHED
CVSS 9.800000190734863 CRITICAL
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | firefox-esr | 140.5.0, 140.5.0, 140.5.0 |
| Debian:13 | thunderbird | 140.6.0, 140.6.0, 140.7.0 |
| Debian:12 | thunderbird | 1:140.8.0esr-1~deb11u1, 1:140.8.0esr-1~deb13u1, 1:140.9.0esr-1~deb11u1 |
| Debian:14 | thunderbird | 1:128.14.0esr-1~deb11u1, 1:128.14.0esr-1, 0 |
| Debian:12 | firefox-esr | 140.9.0, 0, 102.11.0esr-1 |
| Debian:11 | firefox-esr | 115.15.0, 115.15.0, 115.2.0 |
| Debian:13 | firefox-esr | *, 0, 128.13.0 |
| Debian:11 | thunderbird | 91.3.2-1, 91.4.0-1, 91.4.1-1 |
Timeline
- Mar 24, 2026 CVE Published
- Apr 28, 2026 CVE Updated