GHSA-VHGH-G7X8-4RX8 Mattermost doesn't validate decompressed archive entry sizes during file extraction

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

CVE-2026-3114

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

CVE-2026-3114

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

CVE-2026-3114 Zip Bomb Denial of Service via Unrestricted Archive Decompression

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

PT-2026-28423

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.11 Mattermost versions 11.2.x through 11.2.3 Mattermost versions 11.3.x through 11.3.1 Mattermost versions 11.4.x through 11.4.0 Description The software does not properly validate the size of...

EulerOS Virtualization 2.12.0 : brotli (EulerOS-SA-2026-1476)

According to the versions of the brotli package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Scrapy versions up to 2.13.2 are vulnerable to a denial of service DoS attack due to a flaw in its brotli decompression...

Decompression bomb bypass via negative max_length in streaming API (incomplete fix for CVE-2025-66471)

Description The fix for CVE-2025-66471 in urllib3 2.6.0 added maxlength support to all decoders to prevent decompression bombs when using the streaming API. However, three independent code paths in response.py bypass this protection in urllib3 2.6.3 latest. Bypass 1 — Negative maxlength from buff...

PT-2026-25165

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 17.0 through 28.4.1 Erlang OTP versions 26.2.5.18 through 27.3.4.9 Description An issue exists in Erlang OTP ssh ssh transport modules that allows for Denial of Service via Resource Depletion. The SSH transport layer, by...

EulerOS 2.0 SP13 : python-urllib3 (EulerOS-SA-2026-1295)

According to the versions of the python-urllib3 package installed, the EulerOS 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 responses by...

OESA-2026-1445 python-pip security update

pip is the package installer for Python. You can use pip to install packages from the Python Package Index and other indexes. %global bashcompdir %b=$pkg-config --variable=completionsdir bash-completion 2/dev/null; echo $b:-/bashcompletion.d Name: python-pip Version: 23.3.1 Release: 6 Summary: A...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

A flaw was found in urllib3. When processing HTTP redirect responses during data streaming, the library automatically reads and decompresses the full response body without enforcing configured size limits. A malicious server can exploit this by serving an excessively compressed response, bypassin...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

A flaw was found in urllib3. When processing HTTP redirect responses during data streaming, the library automatically reads and decompresses the full response body without enforcing configured size limits. A malicious server can exploit this by serving an excessively compressed response, bypassin...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

A flaw was found in urllib3. When processing HTTP redirect responses during data streaming, the library automatically reads and decompresses the full response body without enforcing configured size limits. A malicious server can exploit this by serving an excessively compressed response, bypassin...

OESA-2026-1288 python-urllib3 security update

HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more. Security Fixes: urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loadin...

Exploit for CVE-2026-24049

wheelaudit Python Wheel File Security Scanner — scan .wh...

Amazon Linux 2023 : python3.11-pip, python3.11-pip-wheel (ALAS2023-2026-1408)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1408 advisory. urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire...

Amazon Linux 2 : python3-urllib3, --advisory ALAS2-2026-3131 (ALAS-2026-3131)

The version of python3-urllib3 installed on the remote host is prior to 1.25.6-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3131 advisory. urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

A flaw was found in urllib3. When processing HTTP redirect responses during data streaming, the library automatically reads and decompresses the full response body without enforcing configured size limits. A malicious server can exploit this by serving an excessively compressed response, bypassin...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

A flaw was found in urllib3. When processing HTTP redirect responses during data streaming, the library automatically reads and decompresses the full response body without enforcing configured size limits. A malicious server can exploit this by serving an excessively compressed response, bypassin...

Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in urllib3

Summary Multiple vulnerabilities in urllib3 that is used by InfoSphere Information Server were addressed. Vulnerability Details CVEID:CVE-2026-21441 DESCRIPTION: urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by...