CVE-2023-29539
8.8
HIGH
CVSS 3.1
EPSS 0.22%
Description
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
How to fix CVE-2023-29539
To remediate CVE-2023-29539, upgrade the affected package to a fixed version below.
- —upgrade to 102.10.0esr-1~deb11u1 or later
- —upgrade to 1:102.10.0-1~deb11u1 or later
Is CVE-2023-29539 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 102.10.0esr-1~deb11u1
- from 0, < 1:102.10.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |