CVE-2015-5523

Summary

The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.securitytracker.com/id/1033703
• http://www.openwall.com/lists/oss-security/2015/07/13/7
• https://support.apple.com/HT205212
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
• http://www.openwall.com/lists/oss-security/2015/06/04/2
• http://www.ubuntu.com/usn/USN-2695-1
• https://support.apple.com/HT205267
• http://www.debian.org/security/2015/dsa-3309
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
• https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501
• https://support.apple.com/HT205213
• http://www.securityfocus.com/bid/75037
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
• http://www.openwall.com/lists/oss-security/2015/07/15/3

References

• http://www.securitytracker.com/id/1033703
• http://www.openwall.com/lists/oss-security/2015/07/13/7
• https://support.apple.com/HT205212
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
• http://www.openwall.com/lists/oss-security/2015/06/04/2
• http://www.ubuntu.com/usn/USN-2695-1
• https://support.apple.com/HT205267
• http://www.debian.org/security/2015/dsa-3309
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
• https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501
• https://support.apple.com/HT205213
• http://www.securityfocus.com/bid/75037
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
• http://www.openwall.com/lists/oss-security/2015/07/15/3

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