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Red Hat Security Advisory

RHSA-2026:49765

Red Hat OpenShift Service Mesh 3.3.6

Released 2026-08-03 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 7 records

TI-2026-34807 CVE-2026-47221

Envoy: Null pointer deref in internal redirects

Priority HIGH 66

Envoy is an open source edge and service proxy designed for cloud-native applications.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00445 Published 2026-06-26 Partial fix · 1.38.3, 1.37.5 +2 CWE-476
TI-2026-35987 CVE-2026-48706

Envoy Heap Buffer Overflow in TcpStatsdSink

Priority LOW 34

Envoy is an open source edge and service proxy designed for cloud-native applications.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.0061 Published 2026-06-26 Partial fix · 1.38.3, 1.37.5 +2 CWE-120
TI-2026-21595 CVE-2026-27145 · GHSA-4279-q6mj-392r

Inefficient candidate hostname parsing in crypto/x509

Priority LOW 30

(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries.

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.00591 Published 2026-06-02 Partial fix · 1.25.11, 1.26.4