{"id":82237,"date":"2026-07-19T12:47:02","date_gmt":"2026-07-19T09:17:02","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-53369-udf-reject-descriptors-with-oversized-crc-length\/"},"modified":"2026-07-19T12:47:02","modified_gmt":"2026-07-19T09:17:02","slug":"cve-2026-53369-udf-reject-descriptors-with-oversized-crc-length","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-53369-udf-reject-descriptors-with-oversized-crc-length\/","title":{"rendered":"CVE-2026-53369 &#8211; udf: reject descriptors with oversized CRC length"},"content":{"rendered":"<p>CVE ID :CVE-2026-53369<\/p>\n<p>  Published : July 19, 2026, 9:17 a.m. | 23\u00a0minutes ago<\/p>\n<p>  Description :In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>udf: reject descriptors with oversized CRC length<\/p>\n<p>udf_read_tagged() skips CRC verification when descCRCLength +<br \/>\nsizeof(struct tag) exceeds the block size.  A crafted UDF image can<br \/>\nset descCRCLength to an oversized value to bypass CRC validation<br \/>\nentirely; the descriptor is then accepted based solely on the 8-bit<br \/>\ntag checksum, which is trivially recomputable.<\/p>\n<p>Reject such descriptors instead of silently accepting them.  A<br \/>\nlegitimate single-block descriptor should never have a CRC length that<br \/>\nexceeds the block.<\/p>\n<p>  Severity: 0.0 | NA<\/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-2026-53369 Published : July 19, 2026, 9:17 a.m. | 23\u00a0minutes ago Description :In the Linux kernel, the following vulnerability has been resolved: udf: reject descriptors with oversized CRC length udf_read_tagged() skips CRC verification when descCRCLength + sizeof(struct tag) exceeds the block size. A crafted UDF image can set descCRCLength to an oversized value &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-82237","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82237","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=82237"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82237\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}