CVE-2026-16396
EUVD-2026-4623421.07.2026, 13:17
Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox_esr | 𝑥 < 140.13.0 |
| mozilla | firefox | 𝑥 < 153.0.0 |
| mozilla | thunderbird | 𝑥 < 140.13.0 |
| mozilla | thunderbird | 141.0 ≤ 𝑥 < 153.0 |
𝑥
= Vulnerable software versions
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||
| firefox-esr |
| ||||||||||||
| thunderbird |
|
Ubuntu Releases
Ubuntu Product | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||
| thunderbird |
| ||||||||||
| mozjs38 |
| ||||||||||
| mozjs52 |
| ||||||||||
| mozjs68 |
| ||||||||||
| mozjs78 |
| ||||||||||
| mozjs91 |
| ||||||||||
| mozjs102 |
| ||||||||||
| mozjs115 |
|
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MozillaFirefox |
| ||||||||||||||||||||||||
| MozillaFirefox-devel |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-common |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-other |
|
Red Hat Enterprise Linux Releases
Amazon Linux Releases
Common Weakness Enumeration
Vulnerability Media Exposure