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CVE-2026-55204

🗓️ 18 Jun 2026 17:16:34Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 11 Views

HAProxy 3.4.0 has null pointer dereference in hpack_dht_insert under memory pressure, causing denial of service.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55204
18 Jun 202616:05
attackerkb
Amazon
Important: haproxy
7 Jul 202600:00
amazon
AlpineLinux
CVE-2026-55204
18 Jun 202616:05
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CBLMariner
CVE-2026-55204 affecting package haproxy for versions less than 2.9.11-7
1 Jul 202602:06
cbl_mariner
Chainguard
CVE-2026-55204 vulnerabilities
7 Jul 202614:17
cgr
Circl
CVE-2026-55204
18 Jun 202617:38
circl
CVE
CVE-2026-55204
18 Jun 202616:05
cve
Cvelist
CVE-2026-55204 HAProxy - NULL Pointer Dereference in hpack_dht_insert Function
18 Jun 202616:05
cvelist
Debian CVE
CVE-2026-55204
18 Jun 202616:05
debiancve
EUVD
EUVD-2026-37906
18 Jun 202616:05
euvd
Rows per page
NVD
Node
haproxyhaproxyRange3.4.0

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26 Jun 2026 02:39Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00431
11