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Vulnerability · Published Dec 20, 2021 · Assigned by mitre

CVE-2021-44732

Critical 9.8

In plain English

A critical-severity security flaw in the mbedtls package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.8% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)2.8%top 13.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20mbedtls2.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.21mbedtls2.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.22mbedtls2.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.23mbedtls2.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.24mbedtls2.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.20mbedtls22.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.21mbedtls22.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.22mbedtls22.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.23mbedtls22.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.24mbedtls22.16.12-r0ALPINE-CVE-2021-44732
Alpine:v3.24mbedtls32.16.12-r0ALPINE-CVE-2021-44732
Debian:12mbedtls2.28.0-0.3DEBIAN-CVE-2021-44732
Debian:13mbedtls2.28.0-0.3DEBIAN-CVE-2021-44732
Debian:14mbedtls2.28.0-0.3DEBIAN-CVE-2021-44732

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References