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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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35 advisories

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Duplicate Advisory: Nokogiri CSS selector tokenizer has regular expression backtracking High
GHSA-5jhf-fpp7-v2pv was published for nokogiri (RubyGems) Aug 25, 2026 • withdrawn
Nokogiri CSS selector tokenizer has regular expression backtracking High
CVE-2026-79770 was published for nokogiri (RubyGems) May 6, 2026
colby-swandale Credited to colby-swandale and flavorjones flavorjones flavorjones
Addressable has a Regular Expression Denial of Service in Addressable templates High
CVE-2026-35611 was published for addressable (RubyGems) Apr 8, 2026
jamfish Credited to jamfish and sporkmonger sporkmonger sporkmonger
Rails Active Support has a possible ReDoS vulnerability in number_to_delimited Moderate
CVE-2026-33169 was published for activesupport (RubyGems) Mar 23, 2026
ch4n3-yoon Credited to ch4n3-yoon
Sinatra is vulnerable to ReDoS through ETag header value generation Low
CVE-2025-61921 was published for sinatra (RubyGems) Oct 10, 2025
dentarg Credited to dentarg
CGI has Regular Expression Denial of Service (ReDoS) potential in Util#escapeElement Moderate
CVE-2025-27220 was published for cgi (RubyGems) Mar 3, 2025
REXML ReDoS vulnerability Moderate
CVE-2024-49761 was published for rexml (RubyGems) Oct 28, 2024
Possible ReDoS vulnerability in block_format in Action Mailer Moderate
CVE-2024-47889 was published for actionmailer (RubyGems) Oct 15, 2024
Possible ReDoS vulnerability in plain_text_for_blockquote_node in Action Text Moderate
CVE-2024-47888 was published for actiontext (RubyGems) Oct 15, 2024
Possible ReDoS vulnerability in HTTP Token authentication in Action Controller Moderate
CVE-2024-47887 was published for actionpack (RubyGems) Oct 15, 2024
Rack ReDoS Vulnerability in HTTP Accept Headers Parsing Moderate
CVE-2024-39316 was published for rack (RubyGems) Jul 3, 2024
dwisiswant0 Credited to dwisiswant0
Rack vulnerable to ReDoS in content type parsing (2nd degree polynomial) Moderate
CVE-2024-25126 was published for rack (RubyGems) Feb 28, 2024
byroot Credited to byroot
Rack Header Parsing leads to Possible Denial of Service Vulnerability Low
CVE-2024-26146 was published for rack (RubyGems) Feb 28, 2024
SValkanov Credited to SValkanov
Rails has possible ReDoS vulnerability in Accept header parsing in Action Dispatch Low
CVE-2024-26142 was published for actionpack (RubyGems) Feb 27, 2024
SValkanov Credited to SValkanov, yoshizawa-masatoshi, and postmodern yoshizawa-masatoshi yoshizawa-masatoshi
postmodern postmodern
URI gem has ReDoS vulnerability Moderate
CVE-2023-36617 was published for uri (RubyGems) Jun 29, 2023
jasnow Credited to jasnow and maxfelsher-cgi maxfelsher-cgi maxfelsher-cgi
RedCloth Regular Expression Denial of Service issue High
CVE-2023-31606 was published for RedCloth (RubyGems) Jun 6, 2023
trautlein Credited to trautlein
Ruby URI component ReDoS issue High
CVE-2023-28755 was published for uri (RubyGems) Mar 31, 2023
Ruby Time component ReDoS issue High
CVE-2023-28756 was published for time (RubyGems) Mar 31, 2023
Denial of Service Vulnerability in Rack Content-Disposition parsing Low
CVE-2022-44571 was published for rack (RubyGems) Jan 18, 2023
ReDoS based DoS vulnerability in Action Dispatch Low
CVE-2023-22792 was published for actionpack (RubyGems) Jan 18, 2023
robertoz-01 Credited to robertoz-01 and postmodern postmodern postmodern
ReDoS based DoS vulnerability in Active Support's underscore Low
CVE-2023-22796 was published for activesupport (RubyGems) Jan 18, 2023
robertoz-01 Credited to robertoz-01, postmodern, and G-Rath postmodern postmodern
G-Rath G-Rath
ReDoS based DoS vulnerability in Action Dispatch Low
CVE-2023-22795 was published for actionpack (RubyGems) Jan 18, 2023
robertoz-01 Credited to robertoz-01, esparta, and levpachmanov esparta esparta
levpachmanov levpachmanov
Denial of service via header parsing in Rack High
CVE-2022-44570 was published for rack (RubyGems) Jan 18, 2023
Denial of service via multipart parsing in Rack Low
CVE-2022-44572 was published for rack (RubyGems) Jan 18, 2023
ReDoS based DoS vulnerability in GlobalID Low
CVE-2023-22799 was published for globalid (RubyGems) Jan 18, 2023
tdunlap607 Credited to tdunlap607
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