#VU113190 Memory leak in libhtp - CVE-2025-53537

Vulnerability identifier: #VU113190

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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-2025-53537

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libhtp
Other software / Other software solutions

Vendor: Open Information Security Foundation

Description
The vulnerability allows a remote attacker to perform denial of service (DoS) attack on the target system.

The vulnerability exists due memory leak. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libhtp: 0.5.0 - 0.5.51

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External links
https://github.com/OISF/libhtp/commit/9037ea35110a0d97be5cedf8d31fb4cd9a38c7a7
https://github.com/OISF/libhtp/security/advisories/GHSA-v3qq-h8mh-vph7

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?