Astra Linux – Vulnerability in ruby-sinatra

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there was a denial-of-service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method was used when constructing the response. Carefully crafted...

SUSE CVE-2025-61921

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

Sinatra is vulnerable to ReDoS through ETag header value generation

Summary There is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response and you are using Ruby = 3.2...

CVE-2025-61921

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

UBUNTU-CVE-2025-61921

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

CVE-2025-61921 Sinatra has ReDoS vulnerability in ETag header value generation

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

EUVD-2025-33767

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

CVE-2025-61921 Sinatra has ReDoS vulnerability in ETag header value generation

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

Sinatra is vulnerable to ReDoS through ETag header value generation

Summary There is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response and you are using Ruby = 3.2...

PT-2025-41597

Name of the Vulnerable Software and Affected Versions Sinatra versions prior to 4.2.0 Description Sinatra, a domain-specific language for creating web applications in Ruby, contains an issue where carefully crafted input can cause excessive processing time during the parsing of If-Match and...

Linux Distros Unpatched Vulnerability : CVE-2023-22795

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A regular expression based DoS vulnerability in Action Dispatch 6.1.7.1 and 7.0.4.1 related to the If- None-Match header. A specially crafted HTTP If-None-Match...

rubygem-actionpack: Denial of Service in Action Dispatch

A flaw was found in the rubygem-actionpack. RubyGem's actionpack gem is vulnerable to a denial of service caused by a regular expression denial of service ReDoS flaw in Action Dispatch related to the If-None-Match header. By sending a specially-crafted HTTP If-None-Match header, a remote attacker...

A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.

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CVE-2023-22795

A regular expression based DoS vulnerability in Action Dispatch 6.1.7.1 and 7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This...

CVE-2023-22795

A regular expression based DoS vulnerability in Action Dispatch 6.1.7.1 and 7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This...

AZL-13562 CVE-2023-22795 affecting package ruby for versions less than 3.1.4-1

A regular expression based DoS vulnerability in Action Dispatch 6.1.7.1 and 7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This...

UBUNTU-CVE-2023-22795

A regular expression based DoS vulnerability in Action Dispatch 6.1.7.1 and 7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This...

CVE-2023-22795

A regular expression based DoS vulnerability in Action Dispatch 6.1.7.1 and 7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This...

CVE-2023-22795

A flaw was found in the rubygem-actionpack. RubyGem's actionpack gem is vulnerable to a denial of service caused by a regular expression denial of service ReDoS flaw in Action Dispatch related to the If-None-Match header. By sending a specially-crafted HTTP If-None-Match header, a remote attacker...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS in the ifnonematch header in http/cache.rb. An attacker can cause resource exhaustion with a malicious If-None-Match header if a version of Ruby below 3.2.0 is in use. NOTE: Patches have been...