CVE-2023-5721
thunderbird - security update
4.3
MEDIUM
CVSS 3.1
EPSS 0.31%
Description
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
How to fix CVE-2023-5721
To remediate CVE-2023-5721, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 115.4.0esr-1~deb11u1 or later
- —upgrade to 115.4.0esr-1~deb10u1 or later
- —upgrade to 115.4.0esr-1~deb11u1 or later
- —upgrade to 1:115.4.1-1~deb11u1 or later
- —upgrade to 1:115.4.1-1~deb10u1 or later
- —upgrade to 1:115.4.1-1~deb11u1 or later
Is CVE-2023-5721 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 115.4.0esr-1~deb11u1
- from 0, < 115.4.0esr-1~deb10u1
- from 0, < 115.4.0esr-1~deb11u1
- from 0, < 1:115.4.1-1~deb11u1
- from 0, < 1:115.4.1-1~deb10u1
- from 0, < 1:115.4.1-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |