Announcing Istio 1.9.3
Istio 1.9.3 patch release.
This release fixes the security vulnerability described in our April 15th post.
BEFORE YOU UPGRADE
Things to know and prepare before upgrading.
DOWNLOAD
Download and install this release.
DOCS
Visit the documentation for this release.
SOURCE CHANGES
Inspect the full set of source code changes.
Security update
- CVE-2021-28683:
Envoy contains a remotely exploitable NULL pointer dereference and crash in TLS when an unknown TLS alert code is received.
- CVSS Score: 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVE-2021-28682:
Envoy contains a remotely exploitable integer overflow in which a very large grpc-timeout value leads to unexpected timeout calculations.
- CVSS Score: 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVE-2021-29258:
Envoy contains a remotely exploitable vulnerability where an HTTP2 request with an empty metadata map can cause Envoy to crash.
- CVSS Score: 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H