CVE-2026-49755 Decompression bomb DoS in Req via auto-decoded archive and compressed response bodies

Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decodebody/1 and...

CVE-2026-49755

Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decodebody/1 and...

urllib3: urllib3: Denial of Service due to excessive HTTP response decompression

A flaw was found in urllib3, an HTTP client library for Python. This vulnerability allows a remote attacker to cause excessive resource consumption, such as high CPU usage and massive memory allocation, on the client side. This occurs when urllib3 attempts to decompress an entire HTTP response,...

req security vulnerabilities

“req” is a simple Go HTTP client developed by a Roc individual using Black Magic. Versions of “req” from 0.1.0 to 0.6.1 contained security vulnerabilities. These vulnerabilities stemmed from improper handling of highly compressed data, which could allow an attacker-controlled HTTP server to exhau...

CVE-2026-49755: Improper Handling of Highly Compressed Data (Data Amplification)

Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decodebody/1 and...

PT-2026-47453

Name of the Vulnerable Software and Affected Versions Python affected versions not specified Description bz2.BZ2Decompressor objects can be reused following a decompression error. If an application catches the resulting OSError and attempts to retry using the same decompressor, specially crafted...

CPython security vulnerabilities

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has a security vulnerability that stems from the possibility of objects being reused after decompression errors. If an application catches an OSError and retries with the same decompressor, specially craft...

PT-2026-47332

Name of the Vulnerable Software and Affected Versions wojtekmach Req versions 0.1.0 through 0.6.0 Description Improper handling of highly compressed data allows attacker-controlled HTTP servers to exhaust memory in a client via decompression-bomb response bodies. The default response pipeline...

glitchtip-gzip-decompression-poc

GlitchTip gzip decompression PoC This PoC demonstrates that c...

urllib3: urllib3: Denial of Service due to excessive HTTP response decompression

A flaw was found in urllib3, an HTTP client library for Python. This vulnerability allows a remote attacker to cause excessive resource consumption, such as high CPU usage and massive memory allocation, on the client side. This occurs when urllib3 attempts to decompress an entire HTTP response,...

urllib3: urllib3: Denial of Service due to excessive HTTP response decompression

A flaw was found in urllib3, an HTTP client library for Python. This vulnerability allows a remote attacker to cause excessive resource consumption, such as high CPU usage and massive memory allocation, on the client side. This occurs when urllib3 attempts to decompress an entire HTTP response,...

urllib3: urllib3: Denial of Service due to excessive HTTP response decompression

A flaw was found in urllib3, an HTTP client library for Python. This vulnerability allows a remote attacker to cause excessive resource consumption, such as high CPU usage and massive memory allocation, on the client side. This occurs when urllib3 attempts to decompress an entire HTTP response,...

urllib3: urllib3: Denial of Service due to excessive HTTP response decompression

A flaw was found in urllib3, an HTTP client library for Python. This vulnerability allows a remote attacker to cause excessive resource consumption, such as high CPU usage and massive memory allocation, on the client side. This occurs when urllib3 attempts to decompress an entire HTTP response,...

urllib3: urllib3: Denial of Service due to excessive HTTP response decompression

A flaw was found in urllib3, an HTTP client library for Python. This vulnerability allows a remote attacker to cause excessive resource consumption, such as high CPU usage and massive memory allocation, on the client side. This occurs when urllib3 attempts to decompress an entire HTTP response,...

EulerOS Virtualization 2.10.0 : python-pip (EulerOS-SA-2026-2061)

According to the versions of the python-pip packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in...

EulerOS Virtualization 2.13.0 : python-pip (EulerOS-SA-2026-2183)

According to the versions of the python-pip package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Requests is a HTTP library. Prior to 2.32.0, when making requests through a Requests Session, if the first request is made with...

EulerOS Virtualization 2.13.1 : python-urllib3 (EulerOS-SA-2026-2147)

According to the versions of the python-urllib3 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP...

EulerOS Virtualization 2.12.1 : libarchive (EulerOS-SA-2026-2078)

According to the versions of the libarchive package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archivereaddata...

EulerOS Virtualization 2.12.0 : libarchive (EulerOS-SA-2026-2103)

According to the versions of the libarchive package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archivereaddata...

EulerOS Virtualization 2.12.1 : python-pip (EulerOS-SA-2026-2086)

According to the versions of the python-pip packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in...