CVE-2026-39864

Published: Apr 08, 2026 Last Modified: Apr 15, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,4
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: high
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio (formerly OpenSER and SER) allows remote attackers to cause a denial of service (process crash) via a specially crafted SIP packet if a successful user authentication without a database backend is followed by additional user identity checks. This vulnerability is fixed in 6.0.5 and 5.8.7.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0017
Percentile
0,4th
Updated

EPSS Score Trend (Last 8 Days)

125

Out-of-bounds Read

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
Application

Kamailio by Kamailio

Product Information
Vendor Kamailio
Product Kamailio
Version Range Affected
From 6.0.0 (inclusive)
To 6.0.5 (exclusive)
cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Kamailio by Kamailio

Product Information
Vendor Kamailio
Product Kamailio
Version Range Affected
To 5.8.7 (exclusive)
cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/kamailio/kamailio/security/advisories/GH…
https://github.com/kamailio/kamailio/security/advisories/GHSA-6m86-m342-g48m