The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows…

Description

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.

Scores

EPSS (exploitation in 30 days)

4.0% · top 9.3% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-399 (opens in a new tab)All about CWE-399 and its CVEs

Affected products

• n/a

  • affected n/a

References (24)

• http://docs.info.apple.com/article.html?artnum=305530 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-394-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 31090 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 27576 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-1939 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• JVN#84798830 (opens in a new tab)third-party-advisoryx_refsource_JVNx_transferred
• 23268 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• APPLE-SA-2007-05-24 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=218287 (opens in a new tab)x_refsource_MISCx_transferred
• http://www.ruby-lang.org/en/news/2006/12/04/another-dos-vulnerability-in-cgi-library/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• 25402 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 23165 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2007:0961 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• oval:org.mitre.oval:def:10529 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• ruby-cgi-library-dos(30734) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 1017363 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• SUSE-SR:2007:004 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://bugs.gentoo.org/show_bug.cgi?id=157048 (opens in a new tab)x_refsource_MISCx_transferred
• http://www.ruby-lang.org/cgi-bin/cvsweb.cgi/ruby/lib/cgi.rb.diff?f=h&only_with_tag=MAIN&r1=text&tr1=1.92&r2=text&tr2=1.91 (opens in a new tab)x_refsource_MISCx_transferred
• ADV-2006-4855 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• MDKSA-2006:225 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• GLSA-200612-21 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 23454 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21441 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2006-6303](https://trackcve.app/badge/CVE-2006-6303.svg)](https://trackcve.app/cve/CVE-2006-6303)

Record last updated 7 Aug 2024, 20:19 UTC.