Resource exhaustion in GnuTLS - CVE-2024-12243

 

Resource exhaustion in GnuTLS - CVE-2024-12243

Published: February 18, 2025 / Updated: April 30, 2026


Vulnerability identifier: #VU104044
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-12243
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GnuTLS
Affected software:
GnuTLS

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to libtasn1 does not properly control consumption of internal resources when decoding certain DER-encoded certificate data. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


How to mitigate CVE-2024-12243

Install updates from vendor's website.

Sources