What’s Vulnerable › Vulnerabilities

CVE-2024-23775

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-31 · updated 2026-06-17
• Weakness: CWE-190

Description

Integer Overflow vulnerability in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2, allows attackers to cause a denial of service (DoS) via mbedtls_x509_set_extension().

Affected products

• mbedtls: from 2.0.0 before 2.28.7 — fixed in 2.28.7
• TrustedFirmware Mbed TLS: from 3.0.0 before 3.5.2 — fixed in 3.5.2

How to fix

Upgrade to a fixed version: mbedtls 2.28.7; TrustedFirmware Mbed TLS 3.5.2. Check the vendor advisory for mitigations.

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GP5UU7Z6LJNBLBT4SC5WWS2HDNMTFZH5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IIBPEYSVRK4IFLBSYJAWKH33YBNH5HR2/
• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-2/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GP5UU7Z6LJNBLBT4SC5WWS2HDNMTFZH5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IIBPEYSVRK4IFLBSYJAWKH33YBNH5HR2/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GP5UU7Z6LJNBLBT4SC5WWS2HDNMTFZH5/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IIBPEYSVRK4IFLBSYJAWKH33YBNH5HR2/
• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-2/

Get alerted when CVE-2024-23775 or the next vulnerability affects your stack