{"id":"UBUNTU-CVE-2026-122126","details":"reSIProcate reTurn client through 1.14.0 contains a heap buffer overflow in TurnTcpSocket::handleReadHeader() that allows malicious TURN servers to overwrite memory via oversized frame lengths. Attackers can send STUN or ChannelData frames declaring up to 65535 bytes, writing roughly 57 KB past the fixed 8192-byte mReadBuffer and crashing the client.","modified":"2026-11-06T01:00:36.920357421Z","published":"2026-11-05T00:00:00Z","upstream":["CVE-2026-122126"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-122126"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-122126"},{"type":"REPORT","url":"https://github.com/resiprocate/resiprocate"},{"type":"REPORT","url":"https://github.com/resiprocate/resiprocate/blob/resiprocate-1.14.0/reTurn/client/TurnTcpSocket.cxx#L124-L147"},{"type":"REPORT","url":"https://github.com/resiprocate/resiprocate/commit/5bb559fd96298073cab369fdfa610f981fb01e95"},{"type":"REPORT","url":"https://github.com/resiprocate/resiprocate/pull/496"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/resiprocate-return-client-through-1.14.0-heap-buffer-overflow-via-turntcpsocket"}],"affected":[{"package":{"name":"resiprocate","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/resiprocate?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.14-1","1.9.0~beta6-1","1.9.0~beta6-2","1.9.0~beta7-1","1.9.2-2","1.9.4-1","1.9.5-1","1.9.5-2","1.9.6-1","1:1.9.7-4~ubuntu14.04.1","1:1.9.7-4~ubuntu14.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"librecon-1.9","binary_version":"1:1.9.7-4~ubuntu14.04.1+esm1"},{"binary_name":"libresiprocate-1.9","binary_version":"1:1.9.7-4~ubuntu14.04.1+esm1"},{"binary_name":"libresiprocate-turn-client-1.9","binary_version":"1:1.9.7-4~ubuntu14.04.1+esm1"},{"binary_name":"repro","binary_version":"1:1.9.7-4~ubuntu14.04.1+esm1"},{"binary_version":"1:1.9.7-4~ubuntu14.04.1+esm1","binary_name":"resiprocate-turn-server"},{"binary_version":"1:1.9.7-4~ubuntu14.04.1+esm1","binary_name":"sipdialer"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-122126.json"}},{"package":{"name":"resiprocate","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/resiprocate?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.10.0-1","1:1.10.1-1","1:1.10.1-2","1:1.10.1-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.10.1-2ubuntu1","binary_name":"librecon-1.10"},{"binary_name":"libresiprocate-1.10","binary_version":"1:1.10.1-2ubuntu1"},{"binary_version":"1:1.10.1-2ubuntu1","binary_name":"libresiprocate-turn-client-1.10"},{"binary_name":"repro","binary_version":"1:1.10.1-2ubuntu1"},{"binary_version":"1:1.10.1-2ubuntu1","binary_name":"resiprocate-turn-server"},{"binary_name":"resiprocate-turn-server-psql","binary_version":"1:1.10.1-2ubuntu1"},{"binary_name":"sipdialer","binary_version":"1:1.10.1-2ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-122126.json"}},{"package":{"name":"resiprocate","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/resiprocate?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.11.0~beta5-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librecon-1.11","binary_version":"1:1.11.0~beta5-1"},{"binary_version":"1:1.11.0~beta5-1","binary_name":"libresiprocate-1.11"},{"binary_name":"libresiprocate-turn-client-1.11","binary_version":"1:1.11.0~beta5-1"},{"binary_version":"1:1.11.0~beta5-1","binary_name":"repro"},{"binary_name":"resiprocate-turn-server","binary_version":"1:1.11.0~beta5-1"},{"binary_version":"1:1.11.0~beta5-1","binary_name":"resiprocate-turn-server-psql"},{"binary_version":"1:1.11.0~beta5-1","binary_name":"sipdialer"},{"binary_name":"telepathy-resiprocate","binary_version":"1:1.11.0~beta5-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-122126.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}