CVE-2022-29909
firefox-esr - security update
8.8
HIGH
CVSS 3.1
EPSS 0.27%
Description
Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
How to fix CVE-2022-29909
To remediate CVE-2022-29909, upgrade the affected package to a fixed version below.
- —upgrade to 91.9.0esr-1~deb11u1 or later
- —upgrade to 91.9.0esr-1~deb9u1 or later
- —upgrade to 91.9.0esr-1~deb10u1 or later
- —upgrade to 1:91.9.0-1~deb11u1 or later
Is CVE-2022-29909 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 91.9.0esr-1~deb11u1
- from 0, < 91.9.0esr-1~deb9u1
- from 0, < 91.9.0esr-1~deb10u1
- from 0, < 1:91.9.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |