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CVE-2026-47221

🗓️ 26 Jun 2026 17:35:29Reported by MendType 
mend
 mend
🔗 www.mend.io👁 2 Views

Null pointer dereference in Envoy router filter causes DoS on HTTP 303 redirects.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-47221
26 Jun 202617:35
–attackerkb
cve
CVE
CVE-2026-47221
26 Jun 202617:35
–cve
cvelist
Cvelist
CVE-2026-47221 Envoy: Null pointer deref in internal redirects
26 Jun 202617:35
–cvelist
euvd
EUVD
EUVD-2026-39823
26 Jun 202617:35
–euvd
nvd
NVD
CVE-2026-47221
26 Jun 202618:16
–nvd
opensuse
OPENSUSE Linux
istioctl-1.30.2-1.1 on GA media (moderate)
29 Jun 202600:00
–opensuse
osv
OSV
BIT-ENVOY-2026-47221 Envoy: Null pointer deref in internal redirects
29 Jun 202605:40
–osv
osv
OSV
OPENSUSE-SU-2026:11141-1 istioctl-1.30.2-1.1 on GA media
28 Jun 202600:00
–osv
ptsecurity
Positive Technologies
PT-2026-52884
26 Jun 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-53346
28 Jun 202600:00
–ptsecurity
Rows per page
Vulners
Node
OR
envoyproxyenvoyRange1.38.0–1.38.3
envoyproxyenvoyRange1.37.0–1.37.5
envoyproxyenvoyRange1.36.0–1.36.9
envoyproxyenvoyRange1.18.0–1.35.13

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07 Oct 2026 22:49Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9 - 7.5
CVSS 48.2
EPSS0.00445
SSVC
2