National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2009-3627 Detail


The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric character reference, which triggers generation of an invalid UTF-8 character.

Source:  MITRE      Last Modified:  10/29/2009

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (11/19/2009)

This issue does not affect Red Hat Enterprise Linux 3, 4, or 5. This flaw can only lead to a denial of service if perl-HTML-Parser is used in conjunction with perl 5.10.1. If perl-HTML-Parser is used with earlier versions of perl, this flaw does not lead to a denial of service.

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Hyperlink Resource Type Source Name External Source CONFIRM Patch External Source MLIST [oss-security] 20091023 CVE-2009-3627 assignment notification - HTML-Parser-3.63 Patch External Source BID 36807 Patch; Vendor Advisory External Source VUPEN ADV-2009-3022 External Source CONFIRM External Source XF htmlparser-decodeentities-dos(53941) Patch External Source CONFIRM

Technical Details

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Change History 3 change records found - show changes