{"id":"USN-8873-1","summary":"unbound vulnerabilities","details":"Yuqi Qiu and Xiang Li discovered that Unbound did not correctly handle\ncertain memory operations. An attacker could possibly use this issue to\ncause a denial of service or execute arbitrary code. (CVE-2026-81642)\n\nBen Morris discovered that Unbound did not correctly handle certain\nmemory operations. An attacker could possibly use this issue to cause a\ndenial of service or execute arbitary code. (CVE-2026-82717)","modified":"2026-10-06T10:57:51.434711255Z","published":"2026-10-06T04:41:00Z","related":["UBUNTU-CVE-2026-81642","UBUNTU-CVE-2026-82717"],"upstream":["CVE-2026-81642","CVE-2026-82717","UBUNTU-CVE-2026-81642","UBUNTU-CVE-2026-82717"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8873-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-81642"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-82717"}],"affected":[{"package":{"name":"unbound","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/unbound?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.22-1ubuntu4.14.04.3+esm4"}]}],"versions":["1.4.20-1","1.4.21-1","1.4.21-1ubuntu1","1.4.21-1ubuntu2","1.4.22-1ubuntu1","1.4.22-1ubuntu2","1.4.22-1ubuntu3","1.4.22-1ubuntu4","1.4.22-1ubuntu4.14.04.1","1.4.22-1ubuntu4.14.04.2","1.4.22-1ubuntu4.14.04.3","1.4.22-1ubuntu4.14.04.3+esm1","1.4.22-1ubuntu4.14.04.3+esm2","1.4.22-1ubuntu4.14.04.3+esm3"],"ecosystem_specific":{"availability":"Available 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