CVE-2021-41816GHSA-5CQM-CRXM-6QPV
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 platfor
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 0.3.1, 0.2.1, 0.1.0.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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. This also affects the CGI gem before 0.3.1 for Ruby.
Timeline
- CVE published
- Record last updated
Affected versions
- n/a n/a
Version range not reported
- cgiRubyGems
From 0.3.0 · fixed in 0.3.1
- cgiRubyGems
From 0.2.0 · fixed in 0.2.1
- cgiRubyGems
fixed in 0.1.0.1