CVE-2026-94200 Erlang OTP ssl - Denial of Service

Erlang OTP ssl (tls_handshake_1_3, ssl_handshake, tls_client_ticket_store) < 11.2.12.14, 11.6.0.7, 11.7.8 contains a denial of service caused by improper validation of NewSessionTicket extensions, letting malicious TLS 1.3 servers crash ssl application on client nodes, exploit requires malicious TLS 1.3 server.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-1288

Vendor fix

Update to OTP 27.3.4.19, 28.5.0.8, 29.1.2 or ssl 11.2.12.14, 11.6.0.7, 11.7.8 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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