{"id":82526,"date":"2026-07-24T23:48:21","date_gmt":"2026-07-24T20:18:21","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-66041-ffmpeg-7-0-8-1-2-heap-out-of-bounds-write-via-vf_quirc-filter\/"},"modified":"2026-07-24T23:48:21","modified_gmt":"2026-07-24T20:18:21","slug":"cve-2026-66041-ffmpeg-7-0-8-1-2-heap-out-of-bounds-write-via-vf_quirc-filter","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-66041-ffmpeg-7-0-8-1-2-heap-out-of-bounds-write-via-vf_quirc-filter\/","title":{"rendered":"CVE-2026-66041 &#8211; FFmpeg 7.0 &#8211; 8.1.2 Heap Out-of-Bounds Write via vf_quirc Filter"},"content":{"rendered":"<p>CVE ID :CVE-2026-66041<\/p>\n<p>  Published : July 24, 2026, 8:18 p.m. | 1\u00a0hour, 32\u00a0minutes ago<\/p>\n<p>  Description :FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vf_quirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS\/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose second presentation has larger dimensions than its first, causing av_image_copy_plane() to copy data exceeding the initial allocation size into the undersized libquirc grayscale image buffer, resulting in heap corruption and process crash with potential for 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-2026-66041 Published : July 24, 2026, 8:18 p.m. | 1\u00a0hour, 32\u00a0minutes ago Description :FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vf_quirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS\/SUP subtitle file with mismatched frame dimensions. Attackers can provide &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-82526","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82526","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=82526"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82526\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}