CVE-2021-44732
Published: 20 December 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
mbedtls Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
hirsute |
Ignored
(end of life)
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Needs triage
|
|
impish |
Ignored
(end of life)
|
|
xenial |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
mantic |
Needs triage
|
|
lunar |
Ignored
(end of life, was needs-triage)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44732
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12
- https://github.com/ARMmbed/mbedtls/releases
- https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0
- https://bugs.gentoo.org/829660
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0
- NVD
- Launchpad
- Debian