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Vulnerability record · CVE-2007-1306 · published 7 March 2007

CVE-2007-1306: Digium asterisk vulnerability

Digium · Asterisk

Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.

7.8 CVSS 2.0 High EPSS 20% · top 2.6%
7.8CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
30References
16 Jun 2026Last modified by NVD

Description

Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://asterisk.org/node/48319
http://asterisk.org/node/48320
http://labs.musecurity.com/advisories/MU-200703-01.txt
http://secunia.com/advisories/24380
http://secunia.com/advisories/24578 Vendor Advisory
http://secunia.com/advisories/25582 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200703-14.xml
http://www.debian.org/security/2007/dsa-1358
http://www.kb.cert.org/vuls/id/228032 US Government Resource
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.osvdb.org/33888
http://www.securityfocus.com/bid/22838
http://www.securitytracker.com/id?1017723
http://www.vupen.com/english/advisories/2007/0830 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/32830
http://asterisk.org/node/48319
http://asterisk.org/node/48320
http://labs.musecurity.com/advisories/MU-200703-01.txt
http://secunia.com/advisories/24380
http://secunia.com/advisories/24578 Vendor Advisory
http://secunia.com/advisories/25582 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200703-14.xml
http://www.debian.org/security/2007/dsa-1358
http://www.kb.cert.org/vuls/id/228032 US Government Resource
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.osvdb.org/33888
http://www.securityfocus.com/bid/22838
http://www.securitytracker.com/id?1017723
http://www.vupen.com/english/advisories/2007/0830 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/32830

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-1306), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.