VDB
DEBIAN-CVE-2026-4690
DEBIAN-CVE-2026-4690
PUBLISHED
CVSS 8.600000381469727 HIGH
Record from OSV · Published March 24, 2026
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| firefox-esr | Debian:13 | 140.9.0esr-1~deb13u1 |
| thunderbird | Debian:14 | 1:140.9.0esr-1 |
| firefox-esr | Debian:12 | 140.9.0esr-1~deb12u1 |
| firefox-esr | Debian:14 | 140.9.0esr-1 |
| thunderbird | Debian:13 | 1:140.9.0esr-1~deb13u1 |
| thunderbird | Debian:12 | 1:140.9.0esr-1~deb12u1 |
Risk scores
CVSS 3.1
8.600000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | firefox-esr | 140.4.0esr-1~deb13u1, 140.5.0esr-1, 140.5.0esr-1~deb11u1 |
| Debian:14 | thunderbird | 1:136.0-1, 1:135.0-1, 1:132.0~b6-1 |
| Debian:12 | firefox-esr | 115.9.1esr-1, 115.9.0esr-2, 115.9.0esr-1~deb12u1 |
| Debian:14 | firefox-esr | 128.14.0esr-1~deb11u1, 0, 128.13.0esr-1 |
| Debian:13 | thunderbird | 1:128.14.0esr-1~deb13u1, 1:128.14.0esr-1~deb12u1, 1:128.14.0esr-1~deb11u1 |
| Debian:12 | thunderbird | 1:102.15.1-1~deb11u1, 1:102.15.1-1~deb10u1, 1:102.15.0-1~deb12u1 |
Timeline
- Mar 24, 2026 CVE Published
- Oct 1, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
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