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CVE-2026-43994

Medium priority
Needs evaluation

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decode_oauth_token_gcm(). A uint16_t nonce_len field read from an attacker-supplied OAuth access...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-43915

Medium priority
Needs evaluation

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.11.0 contain a stored cross-site scripting (XSS) vulnerability in the web-admin HTTPS interface. An attacker who can create a TURN allocation...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-40613

Medium priority
Needs evaluation

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 uint8_t * to uint16_t * without alignment checks. When...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-27624

Medium priority
Needs evaluation

Coturn is a free open source implementation of TURN and STUN Server. Coturn is commonly configured to block loopback and internal ranges using "denied-peer-ip" and/or default loopback restrictions. CVE-2020-26262 addressed...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-69217

Medium priority
Needs evaluation

coturn is a free open source implementation of TURN and STUN Server. Versions 4.6.2r5 through 4.7.0-r4 have a bad random number generator for nonces and port randomization after refactoring. Additionally, random numbers aren't...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2020-26262

Medium priority
Fixed

Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and relay packets to loopback addresses in the range of `127.x.x.x`. However, it...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Fixed Fixed
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CVE-2020-4067

Medium priority
Fixed

In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Fixed Fixed
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CVE-2020-6062

Medium priority
Fixed

An exploitable denial-of-service vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to server crash and denial of service. An attacker needs to send an...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Fixed Fixed
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CVE-2020-6061

Medium priority
Fixed

An exploitable heap out-of-bounds read vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to information leaks and other misbehavior. An attacker needs to...

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Fixed Fixed
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CVE-2018-4059

Medium priority
Fixed

An exploitable unsafe default configuration vulnerability exists in the TURN server function of coTURN prior to version 4.5.0.9. By default, the TURN server runs an unauthenticated telnet admin portal on the loopback interface....

1 affected package

coturn

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
coturn Not affected Fixed
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