CVE-2007-4455
MEDIUM · CVSS 5.0EPSS 1.8%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- EPSS score
- 1.8% (78th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-4438)
- Published
- August 22, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-4438 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- 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
- http://www.securitytracker.com/id?1018595
- http://www.vupen.com/english/advisories/2007/2953
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36145
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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