CVE-2021-44732

Name	CVE-2021-44732
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3249-1
Debian Bugs	1002631

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mbedtls (PTS)	stretch (security), stretch (lts), stretch	2.4.2-1+deb9u4	vulnerable
	buster (security), buster, buster (lts)	2.16.9-0~deb10u1	fixed
	bullseye	2.16.9-0.1	vulnerable
	bookworm	2.28.3-1	fixed
	trixie	2.28.8-1	fixed
	sid	3.6.2-3	fixed
polarssl (PTS)	jessie, jessie (lts)	1.3.9-2.1+deb8u4	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mbedtls	source	experimental	2.28.0-0.1
mbedtls	source	stretch	(unfixed)	end-of-life
mbedtls	source	buster	2.16.9-0~deb10u1		DLA-3249-1
mbedtls	source	(unstable)	2.28.0-0.3			1002631
polarssl	source	jessie	(unfixed)	end-of-life
polarssl	source	(unstable)	(unfixed)

Notes

[bullseye] - mbedtls <no-dsa> (Minor issue)
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12
https://github.com/ARMmbed/mbedtls/commit/eb490aabf6a9f47c074ec476d0d4997c2362cdbc (mbedtls-2.16.12)