GoogleOSV:GHSA-5CQM-CRXM-6QPVBuffer overrun in CGI.escape_html
0.011 Low
EPSS
Percentile
84.1%
A buffer overrun vulnerability was discovered in CGI.escape_html. This can lead to a buffer overflow when a user passes a very large string (> 700 MB) to CGI.escape_html on a platform where long type takes 4 bytes, typically, Windows.
References
github.com/ruby/cgi
github.com/ruby/cgi/commit/959ccf0b6a672bcc64aeaa60c6e1f9e728f1e87f
github.com/ruby/cgi/commit/ad079c1cb5f58eba1ffac46da79995fcf94a3a6e
github.com/ruby/cgi/commit/c6a37a671b556eb06140ea89cc465136b24207a6
github.com/ruby/cgi/commit/c728632c1c09d46cfd4ecbff9caaa3651dd1002a
github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2021-41816.yml
groups.google.com/g/ruby-security-ann/c/4MQ568ZG47c
hackerone.com/reports/1328463
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF
lists.fedoraproject.org/archives/list/[email protected]/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN
lists.fedoraproject.org/archives/list/[email protected]/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF
nvd.nist.gov/vuln/detail/CVE-2021-41816
security-tracker.debian.org/tracker/CVE-2021-41816
security.gentoo.org/glsa/202401-27
security.netapp.com/advisory/ntap-20220303-0006
www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816
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