Unrated severityNVD Advisory· Published Mar 27, 2009· Updated Jun 16, 2026
CVE-2009-0636
CVE-2009-0636
Description
Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when SIP voice services are enabled, allows remote attackers to cause a denial of service (device crash) via a valid SIP message.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: 12.0 through 12.4
Patches
Vulnerability mechanics
References
7- www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtmlnvdPatchVendor Advisory
- www.cisco.com/en/US/products/products_security_advisory09186a0080a904c0.shtmlnvdPatchVendor Advisory
- secunia.com/advisories/34438nvdVendor Advisory
- www.vupen.com/english/advisories/2009/0851nvdVendor Advisory
- securitytracker.com/idnvd
- www.securityfocus.com/bid/34243nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/49421nvd
News mentions
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