CVE-2022-22760
6.5
MEDIUM
CVSS 3.1
EPSS 0.26%
Description
When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
How to fix CVE-2022-22760
To remediate CVE-2022-22760, upgrade the affected package to a fixed version below.
- —upgrade to 91.6.0esr-1~deb11u1 or later
- —upgrade to 1:91.6.0-1~deb11u1 or later
Is CVE-2022-22760 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 91.6.0esr-1~deb11u1
- from 0, < 1:91.6.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |