CVE-2026-122126

EUVD-2026-117081
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
resiprocateresiprocate
𝑥
≤ 1.14.0
CNA
Common Weakness Enumeration
References
https://github.com/resiprocate/resiprocate
https://github.com/resiprocate/resiprocate/blob/resiprocate-1.14.0/reTurn/client/TurnTcpSocket.cxx#L124-L147
https://github.com/resiprocate/resiprocate/commit/5bb559fd96298073cab369fdfa610f981fb01e95
https://github.com/resiprocate/resiprocate/pull/496
https://www.vulncheck.com/advisories/resiprocate-return-client-through-1.14.0-heap-buffer-overflow-via-turntcpsocket