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Packetbeat 8.19.11, 9.2.5 Security Update (ESA-2026-11)

🗓️ 19 Mar 2026 16:56:17Reported by ElasticCoType 
elastic
 elastic
🔗 discuss.elastic.co👁 29 Views

Packetbeat fixes improper array index validation causing denial of service from crafted packets; fixed in 8.19.11 and 9.2.5.

Related
Detection
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
cvelist
Cvelist
CVE-2026-26933 Improper Validation of Array Index in Packetbeat Leading to Denial of Service
19 Mar 202617:08
–cvelist
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
Vulners
Node
OR
elasticsearchpacketbeatRange8.0.0–8.19.10
elasticsearchpacketbeatRange9.0.0–9.2.4

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19 Mar 2026 16:56Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.15.7
EPSS0.00306
SSVC
29