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Thu, 09 Jul 2026 19:30:00 +0000
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ssvc
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Thu, 09 Jul 2026 15:45:00 +0000
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| First Time appeared |
Zeek
Zeek zeek |
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| Vendors & Products |
Zeek
Zeek zeek |
Thu, 09 Jul 2026 14:30:00 +0000
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| 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. | |
| Title | Zeek < 8.0.9 Null Pointer Dereference DoS via Kerberos KRB_ERROR Parsing | |
| Weaknesses | CWE-476 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-07-09T18:17:23.735Z
Reserved: 2026-07-08T13:27:53.030Z
Link: CVE-2026-60109
Updated: 2026-07-09T18:17:20.780Z
No data.
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OpenCVE Enrichment
Updated: 2026-07-09T22:45:03Z