Vulnerability Report

CVE-2007-1030

Title: Niels Provos Libevent Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2007-1030.

CWE Category NVD-CWE-noinfo

Published Date Feb 21, 2007

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.8 CVSS v2.0

Exploit Probability (EPSS)

3.01%

Vulnerability Summary

CVE-2007-1030: 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.

Impacted Vendors

niels_provos 1

Reference Links

http://monkey.org/~provos/libevent/ http://osvdb.org/33228 http://secunia.com/advisories/24181 http://securityreason.com/securityalert/2268 http://www.securityfocus.com/archive/1/460530/100/0/threaded http://www.securityfocus.com/bid/22606 http://www.vupen.com/english/advisories/2007/0647 http://monkey.org/~provos/libevent/ http://osvdb.org/33228 http://secunia.com/advisories/24181 http://securityreason.com/securityalert/2268 http://www.securityfocus.com/archive/1/460530/100/0/threaded http://www.securityfocus.com/bid/22606 http://www.vupen.com/english/advisories/2007/0647

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2007-1030 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

February 21, 2007 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected Stack

No specific products linked.