CVE-2026-122126
reSIProcate reTurn client through 1.14.0 Heap Buffer Overflow via TurnTcpSocket
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-122 |
| Vendor | resiprocate |
| Product | resiprocate |
| Published | Nov 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
resiprocate / resiprocate
0 ≤ 1.14.0
References
github.com: https://github.com/resiprocate/resiprocate/pull/496 github.com: https://github.com/resiprocate/resiprocate/commit/5bb559fd96298073cab369fdfa610f981fb01e95 github.com: https://github.com/resiprocate/resiprocate github.com: https://github.com/resiprocate/resiprocate/blob/resiprocate-1.14.0/reTurn/client/TurnTcpSocket.cxx#L124-L147 vulncheck.com: https://www.vulncheck.com/advisories/resiprocate-return-client-through-1.14.0-heap-buffer-overflow-via-turntcpsocket
Credits
Deus Rex kitkatt7