{"id":80988,"date":"2026-06-24T04:19:13","date_gmt":"2026-06-24T00:49:13","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-12681-google-go-attestation-integer-overflow-in-parseefisignaturelist\/"},"modified":"2026-06-24T04:19:13","modified_gmt":"2026-06-24T00:49:13","slug":"cve-2026-12681-google-go-attestation-integer-overflow-in-parseefisignaturelist","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-12681-google-go-attestation-integer-overflow-in-parseefisignaturelist\/","title":{"rendered":"CVE-2026-12681 &#8211; Google go-attestation: Integer Overflow in parseEfiSignatureList"},"content":{"rendered":"<p>CVE ID :CVE-2026-12681<\/p>\n<p>  Published : June 24, 2026, 12:49 a.m. | 2\u00a0hours, 55\u00a0minutes ago<\/p>\n<p>  Description :Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Google go-attestation. parseEfiSignatureList() does not advance the buffer past vendor bytes before reading entries. For hashSHA256SigGUID lists, this allows attacker-controlled vendor header bytes to be appended to the trusted SHA256 hash list. A crafted TPM event log could inject arbitrary SHA256 hashes into the verifier&#8217;s trusted measurement database, enabling a remote attestation verifier to accept a compromised boot state. This issue affects go-attestation: through 0.6.0.<\/p>\n<p>  Severity: 8.9 | 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-2026-12681 Published : June 24, 2026, 12:49 a.m. | 2\u00a0hours, 55\u00a0minutes ago Description :Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Google go-attestation. parseEfiSignatureList() does not advance the buffer past vendor bytes before reading entries. For hashSHA256SigGUID lists, this allows attacker-controlled vendor header bytes to be appended to the &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-80988","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80988","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=80988"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80988\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80988"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80988"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}