cPanel EasyApache4 update for cURL

1) Infinite loop

EUVDB-ID: #VU110191

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-5399

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop within the WebSocket code. A malicious web server can send a specially crafted packet to the libcurl application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

EasyApache: 4 25-1 - 4 20201-3-3

CPE2.3

• cpe:2.3:a:cpanel:easyapache:4:25-1:*:*:*:*:*:*
• cpe:2.3:a:cpanel:easyapache:4:25-2:*:*:*:*:*:*
• cpe:2.3:a:cpanel:easyapache:4:25-3:*:*:*:*:*:*

External links

https://news.cpanel.com/easyapache4-v25-19-maintenance-and-security-release/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.