National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2007-1030 Detail


Niels Provos libevent 1.2 and 1.2a allows remote attackers to cause a denial of service (infinite loop) via a DNS response containing a label pointer that references its own offset.

Source:  MITRE      Last Modified:  02/21/2007

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.8 HIGH
(AV:N/AC:L/Au:N/C:N/I:N/A:C) (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 (04/04/2008)

Not vulnerable. This issue did not affect versions of libevent as shipped with Red Hat Enterprise Linux 5.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name External Source CONFIRM External Source SREASON 2268 External Source BUGTRAQ 20070219 Remote DoS in libevent DNS parsing <= 1.2a Patch External Source BID 22606 External Source VUPEN ADV-2007-0647

Technical Details

Vulnerability Type (View All)

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