Unrated severityNVD Advisory· Published Aug 28, 2007· Updated Jun 16, 2026
CVE-2007-4521
CVE-2007-4521
Description
Asterisk Open Source 1.4.5 through 1.4.11, when configured to use an IMAP voicemail storage backend, allows remote attackers to cause a denial of service via an e-mail with an "invalid/corrupted" MIME body, which triggers a crash when the recipient listens to voicemail.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:a:asterisk:asterisk:1.4.10:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:a:asterisk:asterisk:1.4.10:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.11:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.9:*:*:*:*:*:*:*
- Range: 1.4.5 - 1.4.11
Patches
Vulnerability mechanics
References
9- secunia.com/advisories/26601nvdVendor Advisory
- secunia.com/advisories/26602nvdVendor Advisory
- downloads.digium.com/pub/asa/AST-2007-021.htmlnvd
- securityreason.com/securityalert/3065nvd
- www.securityfocus.com/archive/1/477729/100/0/threadednvd
- www.securityfocus.com/bid/25438nvd
- www.securitytracker.com/idnvd
- www.vupen.com/english/advisories/2007/2978nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/36261nvd
News mentions
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