Unspecified vulnerability in the SIP channel driver (channels/chan_sip.c) in Asterisk 1.2.x before 1.2.13 and 1.4.x before 1.4.0-beta3 allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors that result in the creation of "a real pvt structure" that uses more resources than necessary.
CVE-2006-5445
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 87.4%
- KEV
- Not listed
Published
October 23, 2006
Last Modified
April 23, 2026
References (24)
- cve@mitrehttp://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.2.13
- cve@mitrehttp://secunia.com/advisories/22651
- cve@mitrehttp://secunia.com/advisories/22979
- cve@mitrehttp://www.asterisk.org/node/109
- cve@mitrehttp://www.asterisk.org/node/110
- cve@mitrehttp://www.gentoo.org/security/en/glsa/glsa-200610-15.xml
- cve@mitrehttp://www.novell.com/linux/security/advisories/2006_69_asterisk.html
- cve@mitrehttp://www.osvdb.org/29973
- cve@mitrehttp://www.securityfocus.com/archive/1/449183/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/20835
- cve@mitrehttp://www.vupen.com/english/advisories/2006/4098
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/29664
- af854a3a-2127-422b-91ae-364da2661108http://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.2.13
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/22651
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/22979
Data Freshness Timeline
(refreshed 3× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
- 2026-07-08 18:39 UTCOSV refresh
- 2026-07-08 15:09 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
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- 2026-07-01 15:02 UTCEPSS rescore
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- 2026-06-30 23:18 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
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- 2026-06-28 14:02 UTCEPSS rescore
- 2026-06-28 04:52 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
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- 2026-06-23 21:29 UTCEPSS rescore
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- 2026-06-21 01:56 UTCEPSS rescore
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- 2026-06-20 06:42 UTCOSV refresh
- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:13 UTCEPSS rescore
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- 2026-06-12 23:08 UTCEPSS rescore
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- 2026-06-05 22:44 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 06:13 UTCEG score recompute
- 2026-05-31 06:13 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 14:43 UTCOSV refresh
- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2006-5445?
CVE-2006-5445 is a none vulnerability published on October 23, 2006. Unspecified vulnerability in the SIP channel driver (channels/chan_sip.c) in Asterisk 1.2.x before 1.2.13 and 1.4.x before 1.4.0-beta3 allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors that result in the creation of "a real pvt structure" that uses…
When was CVE-2006-5445 disclosed?
CVE-2006-5445 was first published in the National Vulnerability Database on October 23, 2006, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2006-5445 actively exploited?
CVE-2006-5445 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-5445?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-5445, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
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