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EUVD-2026-364408

2026-10-02T14:15:22.232436+00:00

EUVD-2026-364408

fkie_cve-2026-73270

2026-10-02T14:15:22.232474+00:00

mod_auth:secret_path/3 decides whether a resolved filesystem path lies inside a protected directory block by running the configured directory path through re:run/3 without the caseless option. A request for /secret/file against a directory configured as /Secret therefore does not match, so the request is treated as unprotected and no authentication challenge is issued, while the filesystem resolves the differently cased path to the same file and mod_get serves it. Deployments on case-sensitive filesystems are unaffected, because there the filesystem itself rejects the mismatched casing.

This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.

msrc_CVE-2026-73270 — httpd mod_auth directory protection bypassed by request path casing on case-insensitive filesystems

2026-10-02T14:15:22.232516+00:00

msrc_CVE-2026-73270

OESA-2026-4131 — erlang security update

2026-10-02T14:15:22.232535+00:00

Affected: openEuler:24.03-LTS-SP1: erlang

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 Fix(es):

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

A malicious or compromised HTTP server can send an arbitrarily large number of headers, or headers with very large values, causing the client process to allocate unbounded memory until the system runs out of memory or the BEAM VM crashes. A proof-of-concept server sending 100,000 headers of roughly 4000 bytes each caused the client VM to allocate over 13 GB of memory in under 30 seconds.

Any application using httpc:request/4,5 to connect to untrusted servers is affected. No authentication is required: any server the client connects to (including via a redirect or man-in-the-middle) can trigger the exhaustion.

RHSA-2026:62531 — Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

2026-10-02T14:15:22.232619+00:00

inets: Erlang/OTP inets httpd: Directory protection bypass allows information disclosure otp: inets: Erlang/OTP inets httpd: Denial of Service via malformed chunked HTTP request inets: inets: Denial of Service via unenforced connection limit eldap: eldap: Denial of Service via long LDAP referral URL port erlang: inets: Erlang/OTP inets httpd: Information disclosure via case-insensitive path bypass OTP: inets: inets: HTTP Request Smuggling allows bypassing security controls inets: httpd: otp: inets httpd: Denial of Service due to memory exhaustion via unenforced body-size limit inets: otp: inets httpd mod_auth: Authentication Bypass via Directory Namespace Collapse

UBUNTU-CVE-2026-73270

2026-10-02T14:15:22.232651+00:00

Affected: Ubuntu:Pro:14.04:LTS: erlang, Ubuntu:Pro:16.04:LTS: erlang, Ubuntu:Pro:18.04:LTS: erlang, Ubuntu:Pro:20.04:LTS: erlang, Ubuntu:22.04:LTS: erlang, Ubuntu:24.04:LTS: erlang, Ubuntu:26.04:LTS: erlang

Improper Handling of Case Sensitivity vulnerability in Erlang/OTP inets httpd allows a remote unauthenticated attacker to read files inside a mod_auth protected directory by requesting them with different casing, on deployments whose filesystem is case-insensitive. mod_auth:secret_path/3 decides whether a resolved filesystem path lies inside a protected directory block by running the configured directory path through re:run/3 without the caseless option. A request for /secret/file against a directory configured as /Secret therefore does not match, so the request is treated as unprotected and no authentication challenge is issued, while the filesystem resolves the differently cased path to the same file and mod_get serves it. Deployments on case-sensitive filesystems are unaffected, because there the filesystem itself rejects the mismatched casing. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.

WID-SEC-W-2026-3146 — Erlang/OTP: Mehrere Schwachstellen

2026-10-02T14:15:22.232688+00:00

Ein Angreifer kann mehrere Schwachstellen in Erlang/OTP ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren oder offenzulegen oder einen Denial-of-Service-Zustand auszulösen.