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CVE-2026-94200— TLS 1.3 client ticket store crashed by NewSessionTicket with empty early_data extension in ssl

一分钟漏洞结论

影响对象
Erlang OTP
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Improper Validation of Consistency within Input vulnerability in Erlang OTP ssl (tls_handshake_1_3, ssl_handshake and tls_client_ticket_store modules) allows a malicious TLS 1.3 server to cause a denial of service of the ssl application on the client node. The

CVSS 8.2 · High

影响版本矩阵 3

厂商产品 版本范围状态
Erlang OTP 23.3< * affected
10.3< * affected
0abe6f66db0d295cd06b0efab3bdb3caa2803930< * affected
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一、 漏洞 CVE-2026-94200 基础信息

漏洞信息

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Vulnerability Title
TLS 1.3 client ticket store crashed by NewSessionTicket with empty early_data extension in ssl
来源: CVE Program / CVE List V5
Vulnerability Description
Improper Validation of Consistency within Input vulnerability in Erlang OTP ssl (tls_handshake_1_3, ssl_handshake and tls_client_ticket_store modules) allows a malicious TLS 1.3 server to cause a denial of service of the ssl application on the client node. The TLS 1.3 client decodes the extensions of a NewSessionTicket message as if they came from EncryptedExtensions. It therefore accepts a 0-length early_data extension, a form that is only valid in ClientHello and EncryptedExtensions. With {session_tickets, auto}, the client stores the ticket in the node-global tls_client_ticket_store. On the next automatic resumption, tls_handshake_1_3:get_max_early_data/1 crashes the store with a case_clause. Repeated crashes can exceed the restart intensity of the ssl supervisors, which use the rest_for_one strategy, and take down ssl for all connections on the node. This issue affects OTP from OTP 23.3 before OTP 27.3.4.19, OTP 28.5.0.8, and OTP 29.1.2, corresponding to ssl from 10.3 before 11.2.12.14, 11.6.0.7, and 11.7.8.
来源: CVE Program / CVE List V5
CVSS Information
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
来源: CVE Program / CVE List V5
Vulnerability Type
CWE-1288
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Erlang OTP 23.3 ~ * cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*
Erlang OTP 10.3 ~ * cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*
Erlang OTP 0abe6f66db0d295cd06b0efab3bdb3caa2803930 ~ * cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*

二、漏洞 CVE-2026-94200 的公开POC

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三、漏洞 CVE-2026-94200 的情报信息

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CVE-2026-94200 其他参考 (7)

同批安全公告 · Erlang · 2026-10-14 · 共 3 条

CVE-2026-105236 6.3 MEDIUM TLS 1.2 session resumption in ssl crosses SNI virtual-host client-certificate trust bounda
CVE-2026-96596 5.9 MEDIUM erl_tar:extract/2 loops forever on a GNU sparse member with a trailing hole

IV. Related Vulnerabilities

Same product: OTP
Same vendor: Erlang
Same weakness: CWE-1288

V. Comments for CVE-2026-94200

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