CVE-2025-20165 Cisco BroadWorks SIP Denial of Service Vulnerability

A vulnerability in the SIP processing subsystem of Cisco BroadWorks could allow an unauthenticated, remote attacker to halt the processing of incoming SIP requests, resulting in a denial of service DoS condition. This vulnerability is due to improper memory handling for certain SIP requests. An...

Cisco IP Phone Session Initiation Protocol Denial of Service (CVE-2007-4459)

Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.70, allows remote attackers to cause a denial of service device reboot via 1 a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or 2 a certain invalid SIP INVITE message that contains a remote...

Cisco Unified IP Phone Software Denial of Service (CVE-2018-0332)

A vulnerability in the Session Initiation Protocol SIP ingress packet processing of Cisco Unified IP Phone software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to a lack of flow-control mechanisms in the software. An attacke...

PT-2023-6421 · Sofia-Sip +3 · Sofia-Sip +3

Name of the Vulnerable Software and Affected Versions: Sofia-SIP versions 1.12.4 and later, up to the version before the fix was introduced Description: The issue is related to the lack of message length and attributes length checks when handling STUN packets, leading to a controllable...

CVE-2022-31002 Out-of-bounds Read in Sofia-SIP

Sofia-SIP is an open-source Session Initiation Protocol SIP User-Agent library. Prior to version 1.13.8, an attacker can send a message with evil sdp to FreeSWITCH, which may cause a crash. This type of crash may be caused by a URL ending with %. Version 1.13.8 contains a patch for this issue...

CVE-2021-43610

Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via an invalid From header request URI without a parameter in an unauthenticated SIP message, a different issue than CVE-2021-33056...

Apple macOS Flaw Allows Kernel-Level Compromise

Apple has patched a vulnerability in macOS can allow attackers to bypass a key OS protection and install a malicious rootkit to perform arbitrary operations on a device, researchers from Microsoft have discovered. The problem—dubbed “Shrootless”–is associated with a security technology called...

CVE-2021-41158

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.10.7, an attacker can perform a SIP digest leak attack against FreeSWITCH and receive the...

CVE-2021-33056

Belledonne Belle-sip before 4.5.20, as used in Linphone and other products, can crash via an invalid From header in a SIP message...

CVE-2021-26906

The CVE-2021-26906 entry describes an SDP negotiation vulnerability in PJSIP within Digium Asterisk (and Certified Asterisk) up to specific older branches, allowing a remote server to potentially crash Asterisk by sending SIP responses that trigger an SDP negotiation failure. Affected products in...

CVE-2020-28327

A respjsipsession crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This...

CVE-2020-3596

A vulnerability in the Session Initiation Protocol SIP of Cisco Expressway Series and Cisco TelePresence Video Communication Server VCS could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to incorrect handling ...

Input validation error vulnerability in multiple Huawei products (CNVD-2020-46470)

The Huawei AR1200, among others, is an enterprise router from Huawei, a Chinese company. A security vulnerability exists in the SIP module in several Huawei products. A remote attacker could exploit the vulnerability by sending a constructed message to the affected device to cause a buffer overfl...

CVE-2019-19417

The SIP module of some Huawei products have a denial of service DoS vulnerability. A remote attacker could exploit these three vulnerabilities by sending the specially crafted messages to the affected device. Due to the insufficient verification of the packets, successful exploit could allow the...

CVE-2019-18790

An issue was discovered in channels/chansip.c in Sangoma Asterisk 13.x before 13.29.2, 16.x before 16.6.2, and 17.x before 17.0.1, and Certified Asterisk 13.21 before cert5. A SIP request can be sent to Asterisk that can change a SIP peer's IP address. A REGISTER does not need to occur, and calls...

CVE-2019-18790

An issue was discovered in channels/chansip.c in Sangoma Asterisk 13.x before 13.29.2, 16.x before 16.6.2, and 17.x before 17.0.1, and Certified Asterisk 13.21 before cert5. A SIP request can be sent to Asterisk that can change a SIP peer's IP address. A REGISTER does not need to occur, and calls...

DEBIAN-CVE-2019-13161

An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chansip while handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to a...

CVE-2019-1635

A vulnerability in the call-handling functionality of Session Initiation Protocol SIP Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service DoS condition...

CVE-2018-0316

A vulnerability in the Session Initiation Protocol SIP call-handling functionality of Cisco IP Phone 6800, 7800, and 8800 Series Phones with Multiplatform Firmware could allow an unauthenticated, remote attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of...

Buffer overflow

Huawei AR120-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR1200 V200R006C10, V200R006C13, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR1200-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR150 V200R006C10, V200R007C00, V200R007C01, V200R007C02, V200R008C20,...