CVE-2021-44732 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00564.

Key SSVC decision points have not yet been added.

Vendors	Products
Arm	Mbed Tls
Debian	Debian Linux

Configuration 1 [-]

OR	cpe:2.3:a:arm:mbed_tls::::::::
	cpe:2.3:a:arm:mbed_tls::::::::
	cpe:2.3:a:arm:mbed_tls:3.0.0:-::::::
	cpe:2.3:a:arm:mbed_tls:3.0.0:preview1::::::

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Debian DLA	DLA-3249-1	mbedtls security update
Debian DLA	DLA-4236-1	mbedtls security update
EUVD	EUVD-2021-31547	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugs.gentoo.org/829660
https://github.com/ARMmbed/mbedtls/releases
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12
https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0
https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00589}`	epss `{'score': 0.00444}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-20T00:00:00

Updated: 2024-08-04T04:32:12.280Z

Reserved: 2021-12-08T00:00:00

Link: CVE-2021-44732

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-12-20T08:15:06.620

Modified: 2024-11-21T06:31:28.383

Link: CVE-2021-44732

Redhat

No data.

OpenCVE Enrichment

No data.

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