CVE-2023-4573
thunderbird - security update
6.5
MEDIUM
CVSS 3.1
EPSS 0.14%
Description
When receiving rendering data over IPC `mStream` could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.
How to fix CVE-2023-4573
To remediate CVE-2023-4573, upgrade the affected package to a fixed version below.
- —upgrade to 102.15.0esr-1~deb11u1 or later
- —upgrade to 102.15.0esr-1~deb10u1 or later
- —upgrade to 102.15.0esr-1~deb11u1 or later
- —upgrade to 1:102.15.0-1~deb11u1 or later
- —upgrade to 1:102.15.0-1~deb10u1 or later
- —upgrade to 1:102.15.0-1~deb11u1 or later
Is CVE-2023-4573 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 102.15.0esr-1~deb11u1
- from 0, < 102.15.0esr-1~deb10u1
- from 0, < 102.15.0esr-1~deb11u1
- from 0, < 1:102.15.0-1~deb11u1
- from 0, < 1:102.15.0-1~deb10u1
- from 0, < 1:102.15.0-1~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:N/I:N/A:H |