SIPSorcery: Malformed UDP datagram crashes TurnServer receive loop with no restart, disabling TURN UDP relay for all clients (DoS)

Summary TurnServer.ReceiveUdpAsync places its generic catch Exception OUTSIDE the while receive loop, and Start launches the loop fire-and-forget with no supervision or restart. A single pre-authentication UDP datagram whose STUN header first byte is in 0x80–0xFF causes STUNHeader.ParseSTUNHeader...

Linux Distros Unpatched Vulnerability : CVE-2026-54909

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pion/stun is a Go implementation of STUN. Prior to 3.1.3, XORMappedAddress.GetFromAs can panic while parsing a malformed short XOR-MAPPED-ADDRESS attribute in...

CVE-2026-54909

pion/stun is a Go implementation of STUN. Prior to 3.1.3, XORMappedAddress.GetFromAs can panic while parsing a malformed short XOR-MAPPED-ADDRESS attribute in STUN or ICE Binding-response parsing paths, allowing remote denial of service. This issue is fixed in version 3.1.3...

CVE-2026-54909

pion/stun is a Go implementation of STUN. Prior to 3.1.3, XORMappedAddress.GetFromAs can panic while parsing a malformed short XOR-MAPPED-ADDRESS attribute in STUN or ICE Binding-response parsing paths, allowing remote denial of service. This issue is fixed in version 3.1.3...

CVE-2026-49475 FreeSWITCH: Out-of-bounds memory access in core STUN attribute parsing

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 1.11.0, a STUN packet whose declared attribute length is shorter than the structure the parser...

CVE-2026-49475 FreeSWITCH: Out-of-bounds memory access in core STUN attribute parsing

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 1.11.0, a STUN packet whose declared attribute length is shorter than the structure the parser...

CVE-2026-40613

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.10.0, the STUN/TURN attribute parsing functions in coturn perform unsafe pointer casts from uint8t to uint16t without alignment checks. When processing a crafted STUN message with odd-aligned attribute boundaries, thi...

EUVD-2023-26991

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2022-23537

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN,...

Linux Distros Unpatched Vulnerability : CVE-2022-23547

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN,...

Zoom Client for Meetings < 5.13.5 Vulnerability (ZSB-23002)

The version of Zoom Client for Meetings installed on the remote host is prior to 5.13.5. It is, therefore, affected by a vulnerability as referenced in the ZSB-23002 advisory. - Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted...

SUSE CVE-2023-32307

Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. Referring to GHSA-8599-x7rq-fr54, several other potential heap-over-flow and integer-overflow in stunparseattrerrorcode and stunparseattruint32 were found because the lack of attributes length check...

DEBIAN-CVE-2023-32307

Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. Referring to GHSA-8599-x7rq-fr54, several other potential heap-over-flow and integer-overflow in stunparseattrerrorcode and stunparseattruint32 were found because the lack of attributes length check...

UBUNTU-CVE-2023-32307

Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. Referring to GHSA-8599-x7rq-fr54, several other potential heap-over-flow and integer-overflow in stunparseattrerrorcode and stunparseattruint32 were found because the lack of attributes length check...

PT-2023-23716

Name of the Vulnerable Software and Affected Versions Sofia-SIP versions prior to 1.13.15 Description Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. Several potential heap-over-flow and integer-overflow vulnerabilities were found in stun parse...

CVE-2023-22881

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service...

CVE-2023-22881 Denial of Service in Zoom Clients

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service...

CVE-2023-22882 Denial of Service in Zoom Clients

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service...

CVE-2023-22881 Denial of Service in Zoom Clients

Zoom clients before version 5.13.5 contain a STUN parsing vulnerability. A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service...

SUSE CVE-2023-22741

Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. In affected versions Sofia-SIP lacks both message length and attributes length checks when it handles STUN packets, leading to controllable heap-over-flow. For example, in stunparseattribute, after ...