{"id":81750,"date":"2026-07-09T18:46:41","date_gmt":"2026-07-09T15:16:41","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-60109-zeek-8-0-9-null-pointer-dereference-dos-via-kerberos-krb_error-parsing\/"},"modified":"2026-07-09T18:46:41","modified_gmt":"2026-07-09T15:16:41","slug":"cve-2026-60109-zeek-8-0-9-null-pointer-dereference-dos-via-kerberos-krb_error-parsing","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-60109-zeek-8-0-9-null-pointer-dereference-dos-via-kerberos-krb_error-parsing\/","title":{"rendered":"CVE-2026-60109 &#8211; Zeek &lt; 8.0.9 Null Pointer Dereference DoS via Kerberos KRB_ERROR Parsing"},"content":{"rendered":"<p>CVE ID :CVE-2026-60109<\/p>\n<p>  Published : July 9, 2026, 3:16 p.m. | 32\u00a0minutes ago<\/p>\n<p>  Description :Zeek before 8.0.9 contains a null pointer dereference vulnerability in its Kerberos protocol analyzer that allows unauthenticated remote attackers to crash the sensor by sending a crafted KRB_ERROR message with error-code 25 (KDC_ERR_PREAUTH_REQUIRED) containing a PA-DATA element with padata-type 2, 3, 11, or 19. Attackers can exploit a parser and analyzer state mismatch where proc_padata() dereferences an uninitialized pa_data_element field selected by the wrong parsing arm, triggering a crash via a single UDP or TCP packet to port 88 without any credentials or prior authentication.<\/p>\n<p>  Severity: 8.7 | 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-2026-60109 Published : July 9, 2026, 3:16 p.m. | 32\u00a0minutes ago Description :Zeek before 8.0.9 contains a null pointer dereference vulnerability in its Kerberos protocol analyzer that allows unauthenticated remote attackers to crash the sensor by sending a crafted KRB_ERROR message with error-code 25 (KDC_ERR_PREAUTH_REQUIRED) containing a PA-DATA element with padata-type 2, 3, &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-81750","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81750","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=81750"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81750\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}