CVE-2021-44732

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Source
https://cve.org/CVERecord?id=CVE-2021-44732
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44732.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-44732
Downstream
Published
2021-12-20T08:15:06Z
Modified
2026-10-24T10:51:25Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "10.0"
                        },
                        {
                            "last_affected": "10.0"
                        }
                    ],
                    "source": "CPE_STRING"
                }
            ],
            "vendor_product": "debian:debian_linux"
        },
        {
            "cpes": [
                "cpe:2.3:a:trustedfirmware:mbed_tls:3.0.0:preview1:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "3.0.0-preview1"
                        },
                        {
                            "last_affected": "3.0.0-preview1"
                        }
                    ],
                    "source": "CPE_STRING"
                }
            ],
            "vendor_product": "trustedfirmware:mbed_tls"
        }
    ]
}
References

Affected packages

Git / github.com/Mbed-TLS/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/Mbed-TLS/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
cf4667126010c665341f9e50ef691b7ef8294188
Introduced
3f8d78411a26e833db18d9fbde0e2f0baeda87f0
Fixed
8b3f26a5ac38d4fdccbc5c5366229f3e01dafcc0
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "2.16.12"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "2.17.0"
                },
                {
                    "fixed": "2.28.0"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Affected versions

Other
beta-oob-2
mbedos-release-15-11
mbedos-techcon-oob2
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.10.0
mbedtls-2.11.0
mbedtls-2.12.0
mbedtls-2.13.0
mbedtls-2.13.1
mbedtls-2.14.0
mbedtls-2.16.0
mbedtls-2.16.10
mbedtls-2.16.2
mbedtls-2.16.3
mbedtls-2.16.4
mbedtls-2.16.5
mbedtls-2.16.6
mbedtls-2.16.8
mbedtls-2.16.9
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.20.0
mbedtls-2.20.0d0
mbedtls-2.21.0
mbedtls-2.22.0d0
mbedtls-2.24.0
mbedtls-2.26.0
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
mbedtls-2.5.1
mbedtls-2.6.0
mbedtls-2.6.0-rc1
mbedtls-2.7.0
mbedtls-2.7.0-rc1
mbedtls-2.8.0
mbedtls-2.8.0-rc1
mbedtls-2.9.0
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
v2.*
v2.16.10
v2.16.8
v2.16.9
v2.24.0
v2.26.0
yotta-2.*
yotta-2.3.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44732.json"

Git / github.com/mbed-tls/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/mbed-tls/mbedtls
Events
Introduced
8df2f8e7b9c7bb9390ac74bb7bace27edca81a2b
Last Affected
8df2f8e7b9c7bb9390ac74bb7bace27edca81a2b
Fixed
cf4667126010c665341f9e50ef691b7ef8294188
Fixed
8b3f26a5ac38d4fdccbc5c5366229f3e01dafcc0
Fixed
d65aeb37349ad1a50e0f6c9b694d4b5290d60e49
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:3.0.0:-:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "3.0.0-NA"
                },
                {
                    "last_affected": "3.0.0-NA"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "original_tag": "v2.16.12",
            "range": [
                {
                    "fixed": "cf4667126010c665341f9e50ef691b7ef8294188"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "v2.28.0",
            "range": [
                {
                    "fixed": "8b3f26a5ac38d4fdccbc5c5366229f3e01dafcc0"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "v3.1.0",
            "range": [
                {
                    "fixed": "d65aeb37349ad1a50e0f6c9b694d4b5290d60e49"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

3.*
3.0.0-NA
mbedtls-3.*
mbedtls-3.0.0
v3.*
v3.0.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44732.json"