{"id":81604,"date":"2026-07-06T23:05:39","date_gmt":"2026-07-06T19:35:39","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-53763-op-tee-has-aes-gcm-32-bit-integer-overflow-in-length-counters-that-breaks-authentication-guarantee\/"},"modified":"2026-07-06T23:05:39","modified_gmt":"2026-07-06T19:35:39","slug":"cve-2026-53763-op-tee-has-aes-gcm-32-bit-integer-overflow-in-length-counters-that-breaks-authentication-guarantee","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-53763-op-tee-has-aes-gcm-32-bit-integer-overflow-in-length-counters-that-breaks-authentication-guarantee\/","title":{"rendered":"CVE-2026-53763 &#8211; OP-TEE has AES-GCM 32-bit integer overflow in length counters that breaks authentication guarantee"},"content":{"rendered":"<p>CVE ID :CVE-2026-53763<\/p>\n<p>  Published : July 6, 2026, 7:35 p.m. | 12\u00a0minutes ago<\/p>\n<p>  Description :OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.0.0 and prior to version 4.11.0, 32-bit integer overflows in OP-TEE core&#8217;s AES-GCM implementation cause the authentication tag to be computed with incorrect bit-length values after processing more than 512 megabytes of payload or Additional Authenticated Data (AAD). Version 4.11.0 contains a patch. No known workarounds are available.<\/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-2026-53763 Published : July 6, 2026, 7:35 p.m. | 12\u00a0minutes ago Description :OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.0.0 and prior to version 4.11.0, 32-bit integer overflows in OP-TEE core&#8217;s AES-GCM implementation &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-81604","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81604","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=81604"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81604\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}