CVE-2022-42927
thunderbird - security update
8.1
HIGH
CVSS 3.1
EPSS 0.15%
Description
A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via `performance.getEntries()`. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.
How to fix CVE-2022-42927
To remediate CVE-2022-42927, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 102.4.0esr-1~deb11u1 or later
- —upgrade to 102.4.0esr-1~deb10u1 or later
- —upgrade to 102.4.0esr-1~deb11u1 or later
- —upgrade to 1:102.4.0-1~deb11u1 or later
- —upgrade to 1:102.4.0-1~deb10u1 or later
- —upgrade to 1:102.4.0-1~deb11u1 or later
Is CVE-2022-42927 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 102.4.0esr-1~deb11u1
- from 0, < 102.4.0esr-1~deb10u1
- from 0, < 102.4.0esr-1~deb11u1
- from 0, < 1:102.4.0-1~deb11u1
- from 0, < 1:102.4.0-1~deb10u1
- from 0, < 1:102.4.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |