CVE-2021-43302
9.1
CRITICAL
CVSS 3.1
EPSS 0.32%
Description
Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters.
How to fix CVE-2021-43302
To remediate CVE-2021-43302, upgrade the affected package to a fixed version below.
- Alpine/pjproject—upgrade to 2.12-r0 or later
- Debian/asterisk—upgrade to 1:16.28.0~dfsg-0+deb11u1 or later
- —upgrade to 20210112.2.b757bac~ds1-1+deb11u1 or later
Is CVE-2021-43302 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.12-r0
- from 0, < 1:16.28.0~dfsg-0+deb11u1
- from 0, < 20210112.2.b757bac~ds1-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |