CVE-2026-0710: Sipp/sipp: sipp: denial of service and potential arbitrary code execution vulnerability

Severity: high (CVSS 8.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-23 · updated 2026-06-17
Weakness: CWE-476

Description

A flaw was found in SIPp. A remote attacker could exploit this by sending specially crafted Session Initiation Protocol (SIP) messages during an active call. This vulnerability, a NULL pointer dereference, can cause the application to crash, leading to a denial of service. Under specific conditions, it may also allow an attacker to execute unauthorized code, compromising the system's integrity and availability.

References

https://access.redhat.com/security/cve/CVE-2026-0710
https://bugzilla.redhat.com/show_bug.cgi?id=2427788

Get alerted when CVE-2026-0710 or the next vulnerability affects your stack