Vulnerabilities > Ruby Lang > Critical
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2022-09-29 | CVE-2016-2338 | Out-of-bounds Write vulnerability in multiple products An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. | 9.8 |
| 2022-05-09 | CVE-2022-28738 | Double Free vulnerability in Ruby-Lang Ruby A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. | 9.8 |
| 2022-02-06 | CVE-2021-41816 | Integer Overflow or Wraparound vulnerability in multiple products CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. | 9.8 |
| 2019-11-26 | CVE-2011-4121 | Inadequate Encryption Strength vulnerability in Ruby-Lang Ruby The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used for private RSA key generation. | 9.8 |
| 2018-11-16 | CVE-2018-16395 | An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. | 9.8 |
| 2018-04-03 | CVE-2018-8780 | Path Traversal vulnerability in multiple products In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. | 9.1 |
| 2017-12-20 | CVE-2017-17790 | Injection vulnerability in Ruby-Lang Ruby The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses Kernel#open, which might allow Command Injection attacks, as demonstrated by a Resolv::Hosts::new argument beginning with a '|' character, a different vulnerability than CVE-2017-17405. | 9.8 |
| 2017-09-15 | CVE-2017-0898 | Use of Externally-Controlled Format String vulnerability in Ruby-Lang Ruby Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. | 9.1 |
| 2017-08-31 | CVE-2017-14064 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. | 9.8 |
| 2017-07-19 | CVE-2017-11465 | Out-of-bounds Write vulnerability in Ruby-Lang Ruby 2.4.1 The parser_yyerror function in the UTF-8 parser in Ruby 2.4.1 allows attackers to cause a denial of service (invalid write or read) or possibly have unspecified other impact via a crafted Ruby script, related to the parser_tokadd_utf8 function in parse.y. | 9.8 |