{"id":"CVE-2014-3640","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-3640","generatedAt":"2026-10-27T20:51:34.602Z","title":"The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized…","description":"The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.","published":"2014-11-07T19:55:03.000Z","lastModified":"2026-06-17T00:08:40.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":2.1,"severity":"LOW","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-476"],"affected":["debian/debian linux","qemu/qemu","redhat/enterprise linux desktop","redhat/enterprise linux hpc node","redhat/enterprise linux server","redhat/enterprise linux workstation","canonical/ubuntu linux"],"epss":{"score":0.00405,"percentile":0.34493,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0349.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0624.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2014/dsa-3044","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2014/dsa-3045","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-2409-1","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1144818","tags":["Issue Tracking"],"source":"secalert@redhat.com"},{"url":"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0349.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0624.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2014/dsa-3044","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2014/dsa-3045","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2409-1","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1144818","tags":["Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-3640","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."}