Astra Linux – Vulnerability in python-tornado

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the provided “reason” phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML on the default error page where it could be used for XSS attacks. This...

GHSA-VM85-HXW5-5432 guzzlehttp/psr7: CRLF Injection in HTTP Start-Line Serialization

Impact guzzlehttp/psr7 did not reject CR/LF characters in certain first-party HTTP start-line fields: the request method, protocol version, and response reason phrase. If an application placed attacker-controlled data into one of those fields and later serialized the PSR-7 message as raw HTTP/1.x...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-tornado (UTSA-2026-021475)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021475 advisory. Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers wher...

OESA-2026-1903 python-tornado security update

Tornado is an open source version of the scalable, non-blocking web server and tools. Security Fixes: Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header...

AIOHTTP has HTTP response splitting via \r in reason phrase

Summary An attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. Impact In the unlikely situation that an application allows untrusted data to be used in the response's reason parameter, then an attacker could manipulate the...

GHSA-MWH4-6H8G-PG8W AIOHTTP has HTTP response splitting via \r in reason phrase

Summary An attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. Impact In the unlikely situation that an application allows untrusted data to be used in the response's reason parameter, then an attacker could manipulate the...

CVE-2026-34519 AIOHTTP: HTTP response splitting via \r in reason phrase

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

CVE-2026-34519

CVE-2026-34519 affects the AIOHTTP library (asyncio-based HTTP client/server for Python). The issue occurs before version 3.13.4 where an attacker controlling the reason parameter when creating a Response can inject extra headers or similar exploits due to header injection in the reason phrase. T...

CVE-2026-34519 AIOHTTP: HTTP response splitting via \r in reason phrase

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

SUSE-SU-2026:1162-1 Security update for python-tornado

This update for python-tornado fixes the following issues: - CVE-2025-67724: missing validation of the supplied reason phrase bsc1254903. - CVE-2025-67725: Denial of Service DoS via maliciously crafted HTTP request caused by the HTTPHeaders.add method bsc1254905. - CVE-2026-31958: parsing large...

SUSE SLED15 / SLES15 Security Update : python-tornado (SUSE-SU-2026:0838-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:0838-1 advisory. This update for python-tornado fixes the following issue: - CVE-2025-67724: missing validation of the supplied reason...

Security update for python-tornado

This update for python-tornado fixes the following issue: CVE-2025-67724: missing validation of the supplied reason phrase bsc1254903. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you can run...

SUSE-SU-2026:0838-1 Security update for python-tornado

This update for python-tornado fixes the following issue: - CVE-2025-67724: missing validation of the supplied reason phrase bsc1254903...

SUSE CVE-2025-67724

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

CVE-2025-67724

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

CVE-2025-67724

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

PT-2025-50883

Name of the Vulnerable Software and Affected Versions Tornado versions 6.5.2 and below Description Tornado, a Python web framework and asynchronous networking library, has an issue where the reason phrase supplied to functions like RequestHandler.set status and tornado.web.HTTPError is used witho...

ALPINE-CVE-2022-38150

In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1...

UBUNTU-CVE-2022-38150

In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1...

CVE-2022-38150

In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1...