{"id":"CVE-2006-2444","url":"https://www.cyber-defence.io/tools/cve/CVE-2006-2444","generatedAt":"2026-10-27T18:48:12.440Z","title":"The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows remote attackers to cause a denial of service (crash) via unspecified remote attack vectors that cause failures in snmp_trap_decode that trigger (1) frees of…","description":"The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows remote attackers to cause a denial of service (crash) via unspecified remote attack vectors that cause failures in snmp_trap_decode that trigger (1) frees of random memory or (2) frees of previously-freed memory (double-free) by snmp_trap_decode as well as its calling function, as demonstrated via certain test cases of the PROTOS SNMP test suite.","published":"2006-05-25T10:02:00.000Z","lastModified":"2026-06-16T22:25:01.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.22109,"percentile":0.97651,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2006-06-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":1880,"kind":"exploit","title":"Linux Kernel < 2.6.16.18 - Netfilter NAT SNMP Module Remote Denial of Service","url":"https://www.exploit-db.com/exploits/1880","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/1880.c","file":"exploits/linux/dos/1880.c","published":"2006-06-05","added":"2006-06-04","updated":"2016-08-16","author":"ECL Labs","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2006-2444"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comlinux-2.6.16.18.tar.gz","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 22.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.18","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/20182","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/20225","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/20716","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/21035","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/21136","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/21179","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/21498","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/21605","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/21983","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/22082","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/22093","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/22174","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/22822","source":"secalert@redhat.com"},{"url":"http://securitytracker.com/id?1016153","source":"secalert@redhat.com"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm","source":"secalert@redhat.com"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2006/dsa-1183","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2006/dsa-1184","source":"secalert@redhat.com"},{"url":"http://www.kb.cert.org/vuls/id/681569","tags":["US Government Resource"],"source":"secalert@redhat.com"},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=1db6b5a66e93ff125ab871d6b3f7363412cc87e8","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2006:087","source":"secalert@redhat.com"},{"url":"http://www.novell.com/linux/security/advisories/2006_42_kernel.html","source":"secalert@redhat.com"},{"url":"http://www.novell.com/linux/security/advisories/2006_47_kernel.html","source":"secalert@redhat.com"},{"url":"http://www.novell.com/linux/security/advisories/2006_64_kernel.html","source":"secalert@redhat.com"},{"url":"http://www.osvdb.org/25750","source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2006-0437.html","source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2006-0580.html","source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2006-0617.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/18081","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/usn-302-1","source":"secalert@redhat.com"},{"url":"http://www.vupen.com/english/advisories/2006/1916","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/26594","source":"secalert@redhat.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11318","source":"secalert@redhat.com"},{"url":"http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.18","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/20182","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/20225","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/20716","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/21035","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/21136","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/21179","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/21498","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/21605","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/21983","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/22082","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/22093","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/22174","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/22822","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1016153","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2006/dsa-1183","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2006/dsa-1184","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/681569","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=1db6b5a66e93ff125ab871d6b3f7363412cc87e8","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2006:087","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2006_42_kernel.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2006_47_kernel.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2006_64_kernel.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/25750","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2006-2444","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}