CVE-2026-103502

The hex_core library (versions 0.1.0 before 0.20.0 ) contains an Improper Certificate Validation vulnerability. When using the default HTTP adapter on Erlang/OTP 24 or OTP 25 (specifically when CA certificates cannot be loaded), the library fails to verify server certificates for HTTPS requests. ...

Security Bulletin: erlang

Summary This entire batch of CVEs represents a coordinated vulnerability disclosure for Erlang/OTP, affecting components within the built-in inets httpc / httpd application and the snmp library. Vulnerability Details CVEID:CVE-2026-55951 DESCRIPTION: The Erlang/OTP httpc HTTP client does not...

OESA-2026-4133 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: The Erlang/OTP httpc HTTP client does not enforce a lim...

OESA-2026-4132 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: The Erlang/OTP httpc HTTP client does not enforce a lim...

OESA-2026-4131 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: The Erlang/OTP httpc HTTP client does not enforce a lim...

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

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httpc memory exhaustion via unbounded response header accumulation

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Linux Distros Unpatched Vulnerability : CVE-2026-55951

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

SUSE 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...

SUSE CVE-2026-71562

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

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...

AZL-98481 CVE-2026-71562 affecting package erlang for versions less than 26.2.5.21-6

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-2026-55951

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...

DEBIAN-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...

AZL-98454 CVE-2026-55951 affecting package erlang for versions less than 26.2.5.21-6

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...

UBUNTU-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

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-2026-55951 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...

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

Summary 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 t...