Description
Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_confirm
https://github.com/istio/istio/security/advisories/GHSA-xwx5-5c9g-x68x
Broken Link x_refsource_misc
https://istio.io/latest/news/security/istio-security-2022-05
Scores
CVSS v3
7.0
EPSS
0.0034
EPSS Percentile
56.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (3)
istio/istio
1.14.0
istio/istio
< 1.12.8
istio.io/istio
0 - 1.12.18Go
Published
Jun 09, 2022
Tracked Since
Feb 18, 2026