64 matches found
Webmin < 1.920 - Authenticated Remote Code Execution
rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialisevariable makes an eval call. NOTE: the WebminServersIndex documentation states "RPC can be used to run any command or modify any file on a server, which is why access to it must...
USN-8182-1: Rack vulnerabilities
Andrew Lacambra discovered that Rack did not properly parse certain regular expressions. An attacker could possibly use this issue to bypass network security filters. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 25.10. CVE-2026-26961 William T. Nelson...
Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : Rack vulnerabilities (USN-8182-1)
The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8182-1 advisory. Andrew Lacambra discovered that Rack did not properly parse certain regular...
Linux Distros Unpatched Vulnerability : CVE-2026-34230
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with...
SUSE CVE-2026-34230
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...
CVE-2026-34230
A flaw was found in Rack. An unauthenticated attacker can exploit a vulnerability in the Rack::Utils.selectbestencoding method by sending a specially crafted Accept-Encoding header with numerous wildcard entries. This leads to quadratic time complexity during processing, causing disproportionate...
EUVD-2026-18378
Rack has quadratic complexity in Rack::Utils.selectbestencoding via wildcard Accept-Encoding header...
Rack has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header
Summary Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a response encoding, an unauthenticated attacker can send a single request with a crafted...
GHSA-V569-HP3G-36WR Rack has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header
Summary Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a response encoding, an unauthenticated attacker can send a single request with a crafted...
CVE-2026-34230
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...
DEBIAN-CVE-2026-34230
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...
UBUNTU-CVE-2026-34230
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...
CVE-2026-34230
Rack: Quadratic-time vulnerability in Rack::Utils.select_best_encoding when Accept-Encoding contains many wildcard entries. An unauthenticated attacker can craft a header to trigger disproportionate CPU usage on Rack::Deflater, causing DoS. Affected versions: < 2.2.23, < 3.1.21,
CVE-2026-34230
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...
CVE-2026-34230 Rack: Quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...
CVE-2026-34230 Rack: Quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...
Rack 安全漏洞
Rack is a modular Ruby web server interface developed by Rack authors. Vulnerabilities exist in versions of Rack prior to 2.2.23, 3.1.21, and 3.2.6. These vulnerabilities stem from Rack::Utils.selectbestencoding, which has a quadratic time complexity when processing Accept-Encoding headers...
PT-2026-29809
Name of the Vulnerable Software and Affected Versions Rack versions prior to 2.2.23, 3.1.21, and 3.2.6 Description Rack::Utils.select best encoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by...
Rack has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header
Summary Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a response encoding, an unauthenticated attacker can send a single request with a crafted...
Fedora 43 : cpp-httplib (2026-e76feaf213)
The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-e76feaf213 advisory. Update to 0.38.0 rhbz2447261 - Filename sanitization for path traversal prevention Added sanitizefilename to prevent path traversal attacks via malicious...