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CVE-2026-26933 Improper Validation of Array Index in Packetbeat Leading to Denial of Service

🗓️ 19 Mar 2026 17:08:45Reported by elasticType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Packetbeat improper array index validation enables denial of service via out-of-bounds reads from crafted packets.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-26933
19 Mar 202617:08
–attackerkb
bdu_fstec
BDU FSTEC
Packetbeat Array Indexing
27 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-26933
20 Mar 202613:10
–circl
cnnvd
CNNVD
Elastic Packetbeat security vulnerabilities
19 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-26933
19 Mar 202617:08
–cve
elastic
Elastic
Packetbeat 8.19.11, 9.2.5 Security Update (ESA-2026-11)
19 Mar 202616:56
–elastic
nessus
Tenable Nessus
Elastic Beats packetbeat 8.0.x < 8.19.11 / 9.0.x < 9.2.5 DoS (ESA-2026-11)
27 Mar 202600:00
–nessus
euvd
EUVD
EUVD-2026-13142
19 Mar 202618:31
–euvd
github
Github Security Blog
Packetbeat does not properly validate an array index in multiple protocol parser components
19 Mar 202618:31
–github
mend
Mend
CVE-2026-26933
19 Mar 202617:08
–mend
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "Packetbeat",
    "vendor": "Elastic",
    "versions": [
      {
        "lessThanOrEqual": "9.2.4",
        "status": "affected",
        "version": "9.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.19.10",
        "status": "affected",
        "version": "8.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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