CVE-2021-44732
Gentoo Linux Security Advisory 202301-08
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Mbed TLS versiones anteriores a 3.0.1,presenta una doble liberación en determinadas condiciones de salida de memoria, como es demostrado por un fallo de la función mbedtls_ssl_set_session()
Multiple vulnerabilities have been discovered in Mbed TLS, the worst of which could result in arbitrary code execution. Versions less than 2.28.1 are affected.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-12-08 CVE Reserved
- 2021-12-20 CVE Published
- 2025-11-03 CVE Updated
- 2025-11-03 First Exploit
- 2026-05-13 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-415: Double Free
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://bugs.gentoo.org/829660 | Issue Tracking | |
| https://github.com/ARMmbed/mbedtls/releases | Release Notes | |
| https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 | Release Notes | |
| https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 | Release Notes | |
| https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 | Release Notes | |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12 | 2025-11-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Arm Search vendor "Arm" | Mbed Tls Search vendor "Arm" for product "Mbed Tls" | < 2.16.12 Search vendor "Arm" for product "Mbed Tls" and version " < 2.16.12" | - |
Affected
| ||||||
| Arm Search vendor "Arm" | Mbed Tls Search vendor "Arm" for product "Mbed Tls" | >= 2.17.0 < 2.28.0 Search vendor "Arm" for product "Mbed Tls" and version " >= 2.17.0 < 2.28.0" | - |
Affected
| ||||||
| Arm Search vendor "Arm" | Mbed Tls Search vendor "Arm" for product "Mbed Tls" | 3.0.0 Search vendor "Arm" for product "Mbed Tls" and version "3.0.0" | - |
Affected
| ||||||
| Arm Search vendor "Arm" | Mbed Tls Search vendor "Arm" for product "Mbed Tls" | 3.0.0 Search vendor "Arm" for product "Mbed Tls" and version "3.0.0" | preview1 |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||