CVE-2009-4055

rtp.c in Asterisk Open Source 1.2.x before 1.2.37, 1.4.x before 1.4.27.1, 1.6.0.x before 1.6.0.19, and 1.6.1.x before 1.6.1.11; Business Edition B.x.x before B.2.5.13, C.2.x.x before C.2.4.6, and C.3.x.x before C.3.2.3; and s800i 1.3.x before 1.3.0.6 allows remote attackers to cause a denial of service (daemon crash) via an RTP comfort noise payload with a long data length.

• http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txtExploit
• http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txtExploit
• http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.0.diff.txtExploit
• http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txtExploit
• http://downloads.digium.com/pub/security/AST-2009-010.htmlVendor Advisory
• http://secunia.com/advisories/37530Exploit, Vendor Advisory
• http://secunia.com/advisories/37677
• http://secunia.com/advisories/37708
• http://securitytracker.com/id?1023249
• http://www.debian.org/security/2009/dsa-1952
• http://www.osvdb.org/60569
• http://www.redhat.com/archives/fedora-package-announce/2009-December/msg00759.html
• http://www.securityfocus.com/archive/1/508147/100/0/threaded
• http://www.securityfocus.com/bid/37153
• http://www.vupen.com/english/advisories/2009/3368Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/54471
• https://issues.asterisk.org/view.php?id=16242
• http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txtExploit
• http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txtExploit
• http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.0.diff.txtExploit
• http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txtExploit
• http://downloads.digium.com/pub/security/AST-2009-010.htmlVendor Advisory
• http://secunia.com/advisories/37530Exploit, Vendor Advisory
• http://secunia.com/advisories/37677
• http://secunia.com/advisories/37708
• http://securitytracker.com/id?1023249
• http://www.debian.org/security/2009/dsa-1952
• http://www.osvdb.org/60569
• http://www.redhat.com/archives/fedora-package-announce/2009-December/msg00759.html
• http://www.securityfocus.com/archive/1/508147/100/0/threaded
• http://www.securityfocus.com/bid/37153
• http://www.vupen.com/english/advisories/2009/3368Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/54471
• https://issues.asterisk.org/view.php?id=16242

Published

Dec 2, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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