CVE-2007-4455

no score yetEPSS 1.8%

The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
Published: 2007-08-22
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

asterisk:asterisk
asterisk:asterisk_appliance_developer_kit
asterisk:asterisknow

References

http://downloads.digium.com/pub/asa/AST-2007-020.html
http://seclists.org/fulldisclosure/2007/Aug/0393.html
http://secunia.com/advisories/26553
http://securityreason.com/securityalert/3047
http://www.securityfocus.com/bid/25392

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