{"id":14457,"date":"2026-09-04T19:01:28","date_gmt":"2026-09-04T11:01:28","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-51807"},"modified":"2026-09-04T19:01:28","modified_gmt":"2026-09-04T11:01:28","slug":"cve-2026-51807","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-51807","title":{"rendered":"CVE-2026-51807 [CRITICAL] &#8211; Heap-based out-of-bounds write in j2k_precinct_subband::parse_packet_header() in OpenHTJ2K"},"content":{"rendered":"<p>Heap-based out-of-bounds write in j2k_precinct_subband::parse_packet_header() in OpenHTJ2K versions 0.18.3 and earlier (fixed in v0.18.4) caused by missing bounds validation before coding-pass lengths are written to j2k_codeblock::pass_length[128]. A crafted JPEG 2000 codestream containing malformed PPM packet headers can trigger a heap-based out-of-bounds write in j2k_precinct_subband::parse_packet_header() in source\/core\/coding\/coding_units.cpp due to missing bounds validation for the j2k_codeblock::pass_length[128] array which can lead to heap corruption and process termination.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Heap-based out-of-bounds write in j2k_precinct_subband::parse_packet_header() in OpenHTJ2K versions 0.18.3 and earlier (fixed in v0.18.4) caused by missing bounds validation before coding-pass lengths<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14457","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}