PT-2026-78698

Name of the Vulnerable Software and Affected Versions Coturn versions prior to 4.13.0 Description An authenticated TURN user can introduce printf-style format specifiers into the STUN USERNAME or REALM attributes. These attributes bypass is secure string validation and are embedded into Redis key...

PT-2026-44990

Name of the Vulnerable Software and Affected Versions FreeSWITCH versions prior to 1.11.0 Description The bundled XML parser in FreeSWITCH expands nested declarations without a depth or count bound. This allows a small Document Type Definition DTD to describe a body that expands exponentially, a...

[SECURITY] Fedora 43 Update: coturn-4.11.0-1.fc43

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...

[SECURITY] Fedora 44 Update: coturn-4.11.0-1.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-f0fbd93125)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-f0fbd93125 advisory. Coturn 4.11.0 - Fix prometheus response memory leak introduced in 4.10.0 - Use constant-time compare for STUN MESSAGE-INTEGRITY HMAC - Fix format-string...

Fedora 42 : coturn (2026-dfa8ea5809)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-dfa8ea5809 advisory. Coturn 4.11.0 - Fix prometheus response memory leak introduced in 4.10.0 - Use constant-time compare for STUN MESSAGE-INTEGRITY HMAC - Fix format-string...

Fedora 44 : coturn (2026-3b3139882c)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-3b3139882c advisory. Coturn 4.11.0 - Fix prometheus response memory leak introduced in 4.10.0 - Use constant-time compare for STUN MESSAGE-INTEGRITY HMAC - Fix format-string...

Fedora 42 : coturn (2026-e673311164)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e673311164 advisory. Coturn 4.10.0 Performance Add Linux-only recvmmsg client receive path for DTLS/UDP listener Skip response buffer allocation for STUN indications...

[SECURITY] Fedora 43 Update: coturn-4.10.0-1.fc43

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...

[SECURITY] Fedora 42 Update: coturn-4.10.0-1.fc42

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 (2026-1adc5f1ef8)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-1adc5f1ef8 advisory. Coturn 4.10.0 Performance Add Linux-only recvmmsg client receive path for DTLS/UDP listener Skip response buffer allocation for STUN indications...

Fedora 44 : coturn (2026-1c11dc3e37)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-1c11dc3e37 advisory. Coturn 4.10.0 Performance Add Linux-only recvmmsg client receive path for DTLS/UDP listener Skip response buffer allocation for STUN indications...

CVE-2026-40613

A flaw was found in coturn, an open-source implementation of TURN and STUN servers. Unsafe pointer casts in the STUN Session Traversal Utilities for NAT and TURN Traversal Using Relays around NAT attribute parsing functions can lead to misaligned memory reads. An unauthenticated remote attacker c...

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...

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...

UBUNTU-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...

CVE-2026-40613 Coturn: Misaligned Memory Access in coturn STUN Attribute Parser (Remote DoS on ARM64)

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...

CVE-2026-40613

CVE-2026-40613 affects coturn prior to 4.10.0, where STUN/TURN attribute parsing in ns_turn_msg.c performs unsafe pointer casts from uint8_t* to uint16_t* without alignment checks. On ARM64 (AArch64) with strict alignment, processing crafted STUN messages with odd-aligned attribute boundaries tri...

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...

CVE-2026-40613 Coturn: Misaligned Memory Access in coturn STUN Attribute Parser (Remote DoS on ARM64)

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...