CVE-2022-29911
6.1
MEDIUM
CVSS 3.1
EPSS 0.32%
Description
An improper implementation of the new iframe sandbox keyword <code>allow-top-navigation-by-user-activation</code> could lead to script execution without <code>allow-scripts</code> being present. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
How to fix CVE-2022-29911
To remediate CVE-2022-29911, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 91.9.0esr-1~deb11u1 or later
- —upgrade to 1:91.9.0-1~deb11u1 or later
Is CVE-2022-29911 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 91.9.0esr-1~deb11u1
- from 0, < 1:91.9.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |