CVE-2026-73215

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnportsallocateeven in src/apps/relay/turnports.c marks the unused odd sibling port as TPSTAKENODD for an EVEN-PORT Allocate request with reservation bit R=0 even though no RTCP socket will release it, allowin...

CVE-2026-73215 The coturn server can end in a state where it does not accept more requests with "even-port" enabled.

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnportsallocateeven in src/apps/relay/turnports.c marks the unused odd sibling port as TPSTAKENODD for an EVEN-PORT Allocate request with reservation bit R=0 even though no RTCP socket will release it, allowin...

CVE-2026-73215

CVE-2026-73215 affects Coturn (TURN/STUN server). Before 4.17.0, in turn_ports.c, turnports_allocate_even() marks an unused odd port as TPS_TAKEN_ODD for an EVEN-PORT Allocate with R=0, even though no RTCP socket will release it. An authenticated client can permanently exhaust the relay port pool...

CVE-2026-73215 The coturn server can end in a state where it does not accept more requests with "even-port" enabled.

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnportsallocateeven in src/apps/relay/turnports.c marks the unused odd sibling port as TPSTAKENODD for an EVEN-PORT Allocate request with reservation bit R=0 even though no RTCP socket will release it, allowin...

CVE-2026-73214

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, dtlsserverinputhandler and createnewconnectedudpsocket in src/apps/relay/dtlslistener.c retain OpenSSL dtls1reassemblefragment state for a 35-byte fragmented ClientHello declaring a 650,000-byte handshake before...

CVE-2026-73212

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.1, goodpeeraddr in src/server/nsturnserver.c uses ioaaddrinrange in src/client/nsturnioaddr.c without canonicalizing IPv4-compatible, 6to4, and 64:ff9b::/96 NAT64 address forms, allowing an authenticated RFC 6062 T...

CVE-2026-73215: Uncontrolled Resource Consumption

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnportsallocateeven in src/apps/relay/turnports.c marks the unused odd sibling port as TPSTAKENODD for an EVEN-PORT Allocate request with reservation bit R=0 even though no RTCP socket will release it, allowin...

PT-2026-70830

Name of the Vulnerable Software and Affected Versions Coturn versions prior to 4.17.0 Description The turnports allocate even function in src/apps/relay/turn ports.c incorrectly marks the unused odd sibling port as TPS TAKEN ODD during an EVEN-PORT Allocate request when the reservation bit R is s...

[SECURITY] Fedora 44 Update: coturn-4.15.0-1.fc44

The Coturn TURN Server is a VoIP media traffic NAT traversal server and gatew ay. It can be used as a general-purpose network traffic TURN server/gateway, too. This implementation also includes some extra features. Supported RFCs: TURN specs: - RFC 5766 - base TURN specs - RFC 6062 - TCP relaying...

Fedora 43 : coturn (2026-02d5b68472)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-02d5b68472 advisory. Coturn 4.15.0 Security - Ignore STUN attributes after MESSAGE-INTEGRITY GHSA-5538-7cxj-5jcc. Per RFC 8489 9 / RFC 5389 15.4, attributes following...

Fedora 44 : coturn (2026-8856c5be6f)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-8856c5be6f advisory. Coturn 4.15.0 Security - Ignore STUN attributes after MESSAGE-INTEGRITY GHSA-5538-7cxj-5jcc. Per RFC 8489 9 / RFC 5389 15.4, attributes following...

Improper Input Validation

pion/stun is vulnerable to Improper Input Validation. The vulnerability is due to insufficient validation of malformed short XOR-MAPPED-ADDRESS attributes in XORMappedAddress.GetFromAs, which allows a remote attacker to trigger a panic by sending specially crafted STUN or ICE Binding responses...

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...

DEBIAN-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-2026-54909

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-2026-54909 Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute

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 vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute

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...