CVE-2021-44732
9.8
CRITICAL
CVSS 3.1
EPSS 0.95%
Description
Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.
How to fix CVE-2021-44732
To remediate CVE-2021-44732, upgrade the affected package to a fixed version below.
- Alpine/mbedtls—upgrade to 2.16.12-r0 or later
- Debian/mbedtls—upgrade to 2.16.9-0.1+deb11u1 or later
Is CVE-2021-44732 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.16.12-r0
- from 0, < 2.16.9-0.1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |