PT-2024-1659 · Mbed Tls+6 · Mbed Tls+6

Jonathan Winzig · Published 2024-01-09 · Updated 2026-05-05 · CVE-2024-23775

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Mbed TLS versions 2.x through 2.28.6 Mbed TLS versions 3.x through 3.5.1

Description The issue is related to an integer overflow vulnerability in the mbedtls x509 set extension() function, which can be exploited by attackers to cause a denial of service (DoS). This vulnerability allows a remote attacker to trigger the DoS.

Recommendations For Mbed TLS versions 2.x through 2.28.6, update to version 2.28.7 or later. For Mbed TLS versions 3.x through 3.5.1, update to version 3.5.2 or later. As a temporary workaround, consider restricting the use of the mbedtls x509 set extension() function until a patch is available.

Fix

DoS

Integer Overflow

Weakness Enumeration

CWE-189

CWE-190

Related Identifiers

ALT-PU-2024-15509

ALT-PU-2025-10462

AZL-47655

BDU:2024-01341

CVE-2024-23775

USN-8123-1

Affected Products

Alt Linux

Astra Linux

Debian

Linuxmint

Mbed Tls

Red Os

Ubuntu

References · 40

• https://osv.dev/vulnerability/CVE-2024-23775 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GP5UU7Z6LJNBLBT4SC5WWS2HDNMTFZH5 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8123-1 · Vendor Advisory
• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-2 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8123-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-52496 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-47917 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-23775 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IIBPEYSVRK4IFLBSYJAWKH33YBNH5HR2 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-01341 · Security Note
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2024-0905SE18MD · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-48965 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-23775 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-44732 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-27810 · Vendor Advisory