Advisory ROSA-SA-2026-3254

software: coturn 4.5.2 OS: ROSA-CHROME unaffected versions = coturn-4.5.2-6 affected versions coturn-4.5.2-6 CVE-ID: CVE-2026-27624 BDU-ID: None CVE-Crit: HIGH CVE-DESC.: A vulnerability in Coturn allows a remote attacker to bypass loopback and internal IP range locking denied-peer-ip option and...

coturn-4.9.0-1.1 on GA media (moderate)

coturn-4.9.0-1.1 on GA media Announcement ID: openSUSE-SU-2026:10375-1 Rating: moderate Cross-References: CVE-2025-69217 CVE-2026-27624 CVSS scores: CVE-2025-69217 SUSE : 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H Affected Products: openSUSE Tumbleweed An update that solves 2 vulnerabilitie...

OPENSUSE-SU-2026:10375-1 coturn-4.9.0-1.1 on GA media

These are all security issues fixed in the coturn-4.9.0-1.1 package on the GA media of openSUSE Tumbleweed...

Mageia: Security Advisory (MGASA-2026-0051)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Updated coturn packages fix security vulnerability

IPv4-mapped IPv6 ::ffff:0:0/96 bypasses denied-peer-ip ACL. CVE-2026-27624...

MGASA-2026-0051 Updated coturn packages fix security vulnerability

IPv4-mapped IPv6 ::ffff:0:0/96 bypasses denied-peer-ip ACL. CVE-2026-27624...

Fedora 44 : coturn (2026-379e214a37)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-379e214a37 advisory. Coturn 4.9.0 - Multiple security fixes - Fix to Web Admin password check - Cleanup of deprecated OpenSSL APIs - Fix for CVE-2026-27624: Bypass...

Fedora 43 : coturn (2026-8cb5571ddc)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8cb5571ddc advisory. Coturn 4.9.0 - Multiple security fixes - Fix to Web Admin password check - Cleanup of deprecated OpenSSL APIs - Fix for CVE-2026-27624: Bypass...

Fedora 42 : coturn (2026-2a1aa1f57f)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2a1aa1f57f advisory. Coturn 4.9.0 - Multiple security fixes - Fix to Web Admin password check - Cleanup of deprecated OpenSSL APIs - Fix for CVE-2026-27624: Bypass...

Fedora: Security Advisory (FEDORA-2026-8cb5571ddc)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory (FEDORA-2026-2a1aa1f57f)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE CVE-2026-27624

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 bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...

Linux Distros Unpatched Vulnerability : CVE-2026-27624

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-27624

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 bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...

CVE-2026-27624

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 bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...

UBUNTU-CVE-2026-27624

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 bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...

CVE-2026-27624

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 bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...

CVE-2026-27624

Coturn was vulnerable to a bypass of the IPv4-mapped IPv6 loopback/denied-peer-ip checks prior to 4.9.0. The root cause was that three functions in src/client/ns_turn_ioaddr.c did not check IN6_IS_ADDR_V4MAPPED, allowing a CreatePermission/ChannelBind with ::ffff:127.0.0.1 to bypass 127.0.0.0/8 l...

EUVD-2026-8620

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 bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...

CVE-2026-27624

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 bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...