{"id":"CVE-2012-6056","aliases":["DEBIAN-CVE-2012-6056","DLA-497-1","EUVD-2012-5930","GHSA-xg25-46f7-mw38","RHSA-2013:1569","RHSA-2014:0341","UBUNTU-CVE-2012-6056"],"status":"published","title":"Integer overflow in the dissect_sack_chunk function in epan/dissectors/packet-sctp.c in the SCTP...","description":"Integer overflow in the dissect_sack_chunk function in epan/dissectors/packet-sctp.c in the SCTP dissector in Wireshark 1.8.x before 1.8.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted Duplicate TSN count.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02662,"percentile":0.85797,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2012-12-05T11:00:00Z","modified":"2026-10-23T17:47:42Z","fixes":[{"ecosystem":"Debian:12","package":"wireshark","fixed_in":["1.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wireshark","fixed_in":["1.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wireshark","fixed_in":["1.8.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.1+g01b65bf-4+deb8u6~deb7u1"}]}],"versions":["1.10.0-1","1.10.0-2","1.10.0-2~bpo70+1","1.10.0~rc1-1","1.10.0~rc2-1","1.10.1-1","1.10.1-1~bpo70+1","1.10.2-1","1.10.2-1~bpo70+1","1.10.2-2","1.10.3-1","1.10.3-1~bpo70+1","1.10.4-1","1.10.5-1","1.10.5-1~bpo70+1","1.10.5-2","1.10.6-1","1.10.6-1~bpo70+1","1.10.7-1","1.10.7-1~bpo70+1","1.10.7-2","1.10.7-3","1.10.7-4","1.10.8-1","1.10.8-1~bpo70+1","1.12.0+git+4fab41a1-1","1.12.0~rc1-1","1.12.0~rc1-2","1.12.0~rc2+git+fd017ee+dfsg1-1","1.12.0~rc3+git+e14d5b6eaa+dfsg1-1","1.12.1+g01b65bf-1","1.12.1+g01b65bf-1~bpo70+1","1.12.1+g01b65bf-2","1.12.1+g01b65bf-2~bpo70+1","1.12.1+g01b65bf-3","1.12.1+g01b65bf-4","1.12.1+g01b65bf-4~bpo70+1","1.8.2-5wheezy10","1.8.2-5wheezy11","1.8.2-5wheezy12","1.8.2-5wheezy13","1.8.2-5wheezy14","1.8.2-5wheezy15","1.8.2-5wheezy15~deb6u1","1.8.2-5wheezy16","1.8.2-5wheezy16~deb6u1","1.8.2-5wheezy17","1.8.2-5wheezy18","1.8.2-5wheezy2","1.8.2-5wheezy3","1.8.2-5wheezy4","1.8.2-5wheezy5","1.8.2-5wheezy6","1.8.2-5wheezy7","1.8.2-5wheezy8","1.8.2-5wheezy9","1.8.6-1","1.8.6-2","1.8.6-3","1.8.7-1","1.9.1-1","1.9.1-2","1.9.2-1"],"bundled":45},{"source":"osv","ecosystem":"Red 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security/cve/CVE-2013-4934","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4934","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4934","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4935","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4935","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4935","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4936","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4936","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4936","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-5721","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-5721","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-5721","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2014:0341","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1044508","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1074109","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1074114","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0341.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-7112","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-7112","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-7112","tags":["advisory"]},{"url":"http://www.wireshark.org/security/wnpa-sec-2013-66.html","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2014-2281","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-2281","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-2281","tags":["advisory"]},{"url":"http://www.wireshark.org/security/wnpa-sec-2014-01.html","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2014-2299","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-2299","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-2299","tags":["advisory"]},{"url":"http://www.wireshark.org/security/wnpa-sec-2014-04.html","tags":["article"]},{"url":"https://ubuntu.com/security/CVE-2012-6056","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2012-6056","description":"Integer 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