EUVD-2026-69232

httpd has never implemented obs-fold RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines. Every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature became a security concern as the understanding of HTTP request smuggling attacks evolved. This issue...

CVE-2026-66357 inets,httpd:HTTP Request Smuggling via obs-fold Header Continuation

httpd has never implemented obs-fold RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines. Every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature became a security concern as the understanding of HTTP request smuggling attacks evolved. This issue...

CVE-2026-66357

Erlang/OTP's inets httpd component has never implemented obs-fold (RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines), meaning every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature enables HTTP request smuggling against servers built on this com...

CVE-2026-55951 httpc memory exhaustion via unbounded response header accumulation

The Erlang/OTP httpc HTTP client does not enforce a limit on the total size of response headers received from a server. The maxheadersize option defaults to nolimit, and httpcresponse:parseheaders/6 accumulates every header into a list before the length check runs which only fires after the...

CVE-2026-55951

The Erlang/OTP httpc HTTP client does not enforce a limit on the total size of response headers received from a server. The maxheadersize option defaults to nolimit, and httpcresponse:parseheaders/6 accumulates every header into a list before the length check runs which only fires after the...

CVE-2026-55951 httpc memory exhaustion via unbounded response header accumulation

The Erlang/OTP httpc HTTP client does not enforce a limit on the total size of response headers received from a server. The maxheadersize option defaults to nolimit, and httpcresponse:parseheaders/6 accumulates every header into a list before the length check runs which only fires after the...

CVE-2026-71380 httpd applies no timeout while receiving a request body, parking a worker on a stalled client

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

CVE-2026-71380 httpd applies no timeout while receiving a request body, parking a worker on a stalled client

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

EUVD-2026-69226

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

CVE-2026-71380

CVE-2026-71380 is a Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd . An unauthenticated remote attacker can trigger a denial of service by sending valid request headers declaring a large Content-Length and then stalling before the body is complete. In...

EEF-CVE-2026-71380 httpd applies no timeout while receiving a request body, parking a worker on a stalled client

Summary Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

CVE-2026-71380 httpd applies no timeout while receiving a request body, parking a worker on a stalled client

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

CVE-2026-71380

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

EEF-CVE-2026-71562 httpc does not bound server-supplied numeric header values before integer conversion

Summary Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP inets httpc allows a malicious or compromised HTTP server to degrade availability by returning a numeric header whose value is a very long run of digits. httpchandler.erl converts the server-supplied...

EUVD-2026-69224

Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP inets httpc allows a malicious or compromised HTTP server to degrade availability by returning a numeric header whose value is a very long run of digits. httpchandler.erl converts the server-supplied Content-Length wit...

CVE-2026-71562 httpc does not bound server-supplied numeric header values before integer conversion

Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP inets httpc allows a malicious or compromised HTTP server to degrade availability by returning a numeric header whose value is a very long run of digits. httpchandler.erl converts the server-supplied Content-Length wit...

CVE-2026-71562 httpc does not bound server-supplied numeric header values before integer conversion

Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP inets httpc allows a malicious or compromised HTTP server to degrade availability by returning a numeric header whose value is a very long run of digits. httpchandler.erl converts the server-supplied Content-Length wit...

CVE-2026-71562 httpc does not bound server-supplied numeric header values before integer conversion

Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP inets httpc allows a malicious or compromised HTTP server to degrade availability by returning a numeric header whose value is a very long run of digits. httpchandler.erl converts the server-supplied Content-Length wit...

CVE-2026-71562

Erlang/OTP inets httpc contains an improper validation flaw where server-supplied Content-Length and Retry-After header values are converted via unbounded list_to_integer/1 before size checks can apply. A malicious HTTP server can return a numeric header with up to roughly 1.26 million digits , c...

CVE-2026-70399 httpd does not enforce the documented default max_clients connection limit

Allocation of Resources Without Limits or Throttling vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by opening and holding open a large number of connections. The maxclients option is documented to default to 150, and the inets hardeni...