{"id":"CVE-2019-14513","aliases":["DEBIAN-CVE-2019-14513","DLA-1921-1","EUVD-2019-5688","GHSA-8x2j-2xxw-g7h5","RHBA-2017:2117","UBUNTU-CVE-2019-14513","USN-4924-1"],"status":"published","title":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send...","description":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than 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Party Advisory","evidence","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00013.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14513","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8x2j-2xxw-g7h5"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-14513","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHBA-2017:2117","tags":["advisory"]},{"url":"https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/index.html","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1375569","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1398337","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1443139","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhba-2017_2117.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-14513","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1739422","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14513","tags":["advisory","report"]},{"url":"https://ubuntu.com/security/CVE-2019-14513","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4924-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-15107","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-14513","description":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.","status":"published","published":"2019-08-01T20:47:48Z","modified":"2024-08-05T00:19:41.201Z","updated_at":"2026-11-02T14:20:17.722148Z"}],"euvd":[{"id":"EUVD-2019-5688","description":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.","status":"published","published":"2019-08-01T20:47:48Z","modified":"2024-08-05T00:19:41Z","updated_at":"2026-11-03T02:40:39.076786Z"}],"ghsa":[{"id":"GHSA-8x2j-2xxw-g7h5","title":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send...","description":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.","status":"published","published":"2022-05-24T16:52:11Z","modified":"2023-03-11T05:06:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:54:19.253359Z"}],"nvd":[{"id":"CVE-2019-14513","description":"Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than 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update","status":"published","published":"2019-09-13T00:00:00Z","modified":"2026-03-09T01:22:52.169028Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"USN-4924-1","title":"dnsmasq vulnerabilities","description":"It was discovered that Dnsmasq incorrectly handled certain wildcard\nsynthesized NSEC records. A remote attacker could possibly use this issue\nto prove the non-existence of hostnames that actually exist.\n(CVE-2017-15107)\n\nIt was discovered that Dnsmasq incorrectly handled certain large DNS\npackets. A remote attacker could possibly use this issue to cause Dnsmasq\nto crash, resulting in a denial of service. (CVE-2019-14513)\n","status":"published","published":"2021-04-22T16:59:05Z","modified":"2026-02-10T04:42:09Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}