Search CVE reports


Toggle filters

1 – 10 of 71 results


CVE-2026-42256

Medium priority
Needs evaluation

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0 to before 0.6.4, when authenticating a connection with SCRAM-SHA1...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Needs evaluation
ruby2.7 Not in release Not in release Not in release Needs evaluation
ruby3.0 Not in release Not in release Needs evaluation
ruby3.2 Not in release Needs evaluation Not in release
ruby3.3 Needs evaluation Not in release Not in release
jruby Needs evaluation Needs evaluation Not in release Needs evaluation Needs evaluation
Show all 7 packages Show less packages

CVE-2026-42258

Medium priority
Needs evaluation

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Needs evaluation
ruby2.7 Not in release Not in release Not in release Needs evaluation
ruby3.0 Not in release Not in release Needs evaluation
ruby3.2 Not in release Needs evaluation Not in release
ruby3.3 Needs evaluation Not in release Not in release
jruby Needs evaluation Needs evaluation Not in release Needs evaluation Needs evaluation
Show all 7 packages Show less packages

CVE-2026-42257

Medium priority
Needs evaluation

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, several Net::IMAP commands accept a raw string argument that is sent to the server without...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Needs evaluation
ruby2.7 Not in release Not in release Not in release Needs evaluation
ruby3.0 Not in release Not in release Needs evaluation
ruby3.2 Not in release Needs evaluation Not in release
ruby3.3 Needs evaluation Not in release Not in release
jruby Needs evaluation Needs evaluation Not in release Needs evaluation Needs evaluation
Show all 7 packages Show less packages

CVE-2026-42246

Medium priority
Needs evaluation

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAP#starttls to return "successfully",...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Needs evaluation
ruby2.7 Not in release Not in release Not in release Needs evaluation
ruby3.0 Not in release Not in release Needs evaluation
ruby3.2 Not in release Needs evaluation Not in release
ruby3.3 Needs evaluation Not in release Not in release
jruby Needs evaluation Needs evaluation Not in release Needs evaluation Needs evaluation
Show all 7 packages Show less packages

CVE-2026-42245

Medium priority
Needs evaluation

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Needs evaluation
ruby2.7 Not in release Not in release Not in release Needs evaluation
ruby3.0 Not in release Not in release Needs evaluation
ruby3.2 Not in release Needs evaluation Not in release
ruby3.3 Needs evaluation Not in release Not in release
jruby Needs evaluation Needs evaluation Not in release Needs evaluation Needs evaluation
Show all 7 packages Show less packages

CVE-2026-41316

Medium priority
Needs evaluation

(ERB is a templating system for Ruby. Ruby 2.7.0 (before ERB 2.2.0 was ...)

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Needs evaluation
ruby2.7 Not in release Not in release Not in release Needs evaluation
ruby3.0 Not in release Not in release Needs evaluation
ruby3.2 Not in release Needs evaluation Not in release
ruby3.3 Needs evaluation Not in release Not in release
jruby Needs evaluation Needs evaluation Not in release Needs evaluation Needs evaluation
Show all 7 packages Show less packages

CVE-2026-27820

Medium priority
Needs evaluation

zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstream_buffer_ungets function...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Needs evaluation
ruby2.7 Not in release Not in release Not in release Needs evaluation
ruby3.0 Not in release Not in release Needs evaluation
ruby3.2 Not in release Needs evaluation Not in release
ruby3.3 Needs evaluation Not in release Not in release
jruby Needs evaluation Needs evaluation Not in release Needs evaluation Needs evaluation
Show all 7 packages Show less packages

CVE-2025-10990

Medium priority
Vulnerable

A flaw was found in REXML. A remote attacker could exploit inefficient regular expression (regex) parsing when processing hex numeric character references (&#x...;) in XML documents. This could lead to a Regular Expression Denial...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Vulnerable
ruby2.7 Not in release Not in release Not in release Vulnerable
ruby3.0 Not in release Not in release Vulnerable
ruby3.2 Not in release Vulnerable Not in release
ruby3.3 Vulnerable Not in release Not in release
jruby Vulnerable Vulnerable Not in release Vulnerable Vulnerable
Show all 7 packages Show less packages

CVE-2025-61594

Low priority

Some fixes available 6 of 9

URI is a module providing classes to handle Uniform Resource Identifiers. In versions prior to 0.12.5, 0.13.3, and 1.0.4, a bypass exists for the fix to CVE-2025-27221 that can expose user credentials. When using the `+` operator...

7 affected packages

ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.2...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Fixed
ruby2.7 Not in release Not in release Not in release Fixed
ruby3.0 Not in release Not in release Fixed
ruby3.2 Not in release Fixed Not in release
ruby3.3 Vulnerable Not in release Not in release
jruby Not affected Not affected Not in release Not affected Not affected
Show all 7 packages Show less packages

CVE-2025-58767

Low priority
Vulnerable

REXML is an XML toolkit for Ruby. The REXML gems from 3.3.3 to 3.4.1 has a DoS vulnerability when parsing XML containing multiple XML declarations. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities....

7 affected packages

jruby, ruby2.3, ruby2.5, ruby2.7, ruby3.0...

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
jruby Not affected Not affected Not in release Not affected Not affected
ruby2.3 Not in release Not in release Not in release
ruby2.5 Not in release Not in release Not in release Vulnerable
ruby2.7 Not in release Not in release Not in release Vulnerable
ruby3.0 Not in release Not in release Vulnerable
ruby3.2 Not in release Vulnerable Not in release
ruby3.3 Vulnerable Not in release Not in release
Show all 7 packages Show less packages