{"id":82528,"date":"2026-07-24T23:48:20","date_gmt":"2026-07-24T20:18:20","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-66039-ffmpeg-mace6-audio-decoder-heap-out-of-bounds-write-via-caf-file\/"},"modified":"2026-07-24T23:48:20","modified_gmt":"2026-07-24T20:18:20","slug":"cve-2026-66039-ffmpeg-mace6-audio-decoder-heap-out-of-bounds-write-via-caf-file","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-66039-ffmpeg-mace6-audio-decoder-heap-out-of-bounds-write-via-caf-file\/","title":{"rendered":"CVE-2026-66039 &#8211; FFmpeg MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF File"},"content":{"rendered":"<p>CVE ID :CVE-2026-66039<\/p>\n<p>  Published : July 24, 2026, 8:18 p.m. | 1\u00a0hour, 32\u00a0minutes ago<\/p>\n<p>  Description :FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytes_per_packet value. Attackers can craft a CAF file with oversized bytes_per_packet and frames_per_packet values in the desc chunk to trigger an integer overflow in mace_decode_frame() during output sample count computation, resulting in an undersized buffer allocation and heap out-of-bounds write that could enable code execution.<\/p>\n<p>  Severity: 8.8 | 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-2026-66039 Published : July 24, 2026, 8:18 p.m. | 1\u00a0hour, 32\u00a0minutes ago Description :FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytes_per_packet value. Attackers can craft a &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-82528","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82528","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=82528"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82528\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}