{"id":82060,"date":"2026-07-16T04:46:30","date_gmt":"2026-07-16T01:16:30","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-3842-qemu-kvm-hyperv-syndbg-missing-mapped-length-guard-after-cpu_physical_memory_map-causes-host-oob-write\/"},"modified":"2026-07-16T04:46:30","modified_gmt":"2026-07-16T01:16:30","slug":"cve-2026-3842-qemu-kvm-hyperv-syndbg-missing-mapped-length-guard-after-cpu_physical_memory_map-causes-host-oob-write","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-3842-qemu-kvm-hyperv-syndbg-missing-mapped-length-guard-after-cpu_physical_memory_map-causes-host-oob-write\/","title":{"rendered":"CVE-2026-3842 &#8211; Qemu-kvm: hyperv\/syndbg: missing mapped-length guard after cpu_physical_memory_map causes host oob write"},"content":{"rendered":"<p>CVE ID :CVE-2026-3842<\/p>\n<p>  Published : July 16, 2026, 1:16 a.m. | 18\u00a0minutes ago<\/p>\n<p>  Description :A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpu_physical_memory_map() returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation could result in unauthorized access to guest memory or corruption of heap-allocated objects, potentially causing information disclosure, data integrity issues, or a denial of service.<\/p>\n<p>  Severity: 7.8 | HIGH<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-3842 Published : July 16, 2026, 1:16 a.m. | 18\u00a0minutes ago Description :A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpu_physical_memory_map() returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-82060","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=82060"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82060\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}