CVE-2020-15652
thunderbird - security update
6.5
MEDIUM
CVSS 3.1
EPSS 0.59%
Description
By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
How to fix CVE-2020-15652
To remediate CVE-2020-15652, upgrade the affected package to a fixed version below.
- —upgrade to 68.11.0esr-1 or later
- —upgrade to 68.11.0esr-1~deb9u1 or later
- —upgrade to 68.11.0esr-1~deb10u1 or later
- —upgrade to 1:68.11.0-1 or later
- —upgrade to 1:68.11.0-1~deb9u1 or later
- —upgrade to 1:68.11.0-1~deb10u1 or later
Is CVE-2020-15652 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 68.11.0esr-1
- from 0, < 68.11.0esr-1~deb9u1
- from 0, < 68.11.0esr-1~deb10u1
- from 0, < 1:68.11.0-1
- from 0, < 1:68.11.0-1~deb9u1
- from 0, < 1:68.11.0-1~deb10u1
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 |