PT-2026-4320 · Sipp · Sipp

Chenyifan Liu + 2 · Published 2026-01-23 · Updated 2026-01-28 · CVE-2026-0710

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SIPp (affected versions not specified)

Description A flaw exists in SIPp that allows a remote attacker to potentially cause a denial of service or execute unauthorized code. The issue is a NULL pointer dereference triggered by sending specially crafted Session Initiation Protocol (SIP) messages during an active call. This can lead to the application crashing, compromising the system's integrity and availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-0710

Affected Products

Sipp

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-0710 · Security Note
• https://twitter.com/CVEnew/status/2014576941186351225 · Twitter Post
• https://bugzilla.redhat.com/show_bug.cgi?id=2427788 · Note
• https://twitter.com/cracbot/status/2016466358461137253 · Twitter Post
• https://access.redhat.com/security/cve/CVE-2026-0710 · Note