Security Bulletin:Netty CRLF Injection in HttpRequestEncoder: Request Smuggling Vulnerability Fixed in 4.1.129.Final and 4.2.8.Final

Summary Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the io.netty.handler.codec.http.HttpRequestEncoder has a CRLF injection with the request URI when constructing a request. This leads to request smuggling when...

RHCOS 4 : OpenShift Container Platform 4.16.44 (RHSA-2025:10782)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:10782 advisory. - net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Note that Nessus has not tested for this...

RHCOS 4 : OpenShift Container Platform 4.18.20 (RHSA-2025:10768)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:10768 advisory. - net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Note that Nessus has not tested for this...

RHCOS 4 : OpenShift Container Platform 4.19.3 (RHSA-2025:10291)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:10291 advisory. - net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Note that Nessus has not tested for this...

OESA-2026-2193 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: Insufficient restrictions in header/trailer handling could cause uncapped memory usage.CVE-2026-22815 An unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation.CVE-2026-34513 An attacker who...

DEBIAN-CVE-2026-40561

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

UBUNTU-CVE-2026-40561

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561 Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561 Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

EUVD-2026-26806

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561

CVE-2026-40561 affects Starlet for Perl (versions through 0.31). The root cause is improper header precedence: when both Content-Length and Transfer-Encoding: chunked are present, Starlet prioritizes Content-Length, violating RFC 7230 section 3.3.3, where Transfer-Encoding must take precedence. T...

CVE-2026-40561 Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

CVE-2026-40561

Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

Linux Distros Unpatched Vulnerability : CVE-2026-40561

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet incorrectly prioritizes Content-Length over...

PT-2026-36646

Name of the Vulnerable Software and Affected Versions Starlet versions prior to 0.32 Description Starlet for Perl allows HTTP Request Smuggling due to improper header precedence. The software incorrectly prioritizes the Content-Length header over Transfer-Encoding: chunked when both are present i...

RHCOS 4 : OpenShift Container Platform 4.19.1 (RHSA-2025:9279)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:9279 advisory. - net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Note that Nessus has not tested for this...