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[master] fix security advisory 2025-002 #16942

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Merged
merged 2 commits into from
Oct 27, 2025
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[master] fix security advisory 2025-002 #16942

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9e00c26
fix sec adv
dhawton Oct 20, 2025
6118a32
lint
dhawton Oct 20, 2025
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2 changes: 2 additions & 0 deletions .spelling
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Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,8 @@ CVE-2025-30157
CVE-2025-46821
CVE-2025-54588
CVE-2025-55162
CVE-2025-62409
CVE-2025-62504
CVEs
cves
cvss
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17 changes: 9 additions & 8 deletions content/en/news/security/istio-security-2025-002/index.md
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@@ -1,12 +1,12 @@
---
title: ISTIO-SECURITY-2025-001
title: ISTIO-SECURITY-2025-002
subtitle: Security Bulletin
description: CVEs reported by Envoy.
cves: [CVE-2025-55162, CVE-2025-54588]
cvss: "7.5"
vector: "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
releases: ["1.27.0", "1.26.0 to 1.26.3", "1.25.0 to 1.25.4"]
publishdate: 2025-09-03
cvss: "6.6"
vector: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
releases: ["1.27.0 to 1.27.1", "1.26.0 to 1.26.5"]
publishdate: 2025-10-20
keywords: [CVE]
skip_seealso: true
---
Expand All @@ -17,9 +17,10 @@ skip_seealso: true

### Envoy CVEs

- __[CVE-2025-55162](https://github.com/envoyproxy/envoy/security/advisories/GHSA-95j4-hw7f-v2rh)__: (CVSS score 6.3, Moderate): OAuth2 Filter Signout route will not clear cookies because of missing "secure;" flag
- __[CVE-2025-54588](https://github.com/envoyproxy/envoy/security/advisories/GHSA-g9vw-6pvx-7gmw)__: (CVSS score 7.5, High): Use after free in DNS cache
- __[CVE-2025-62504](https://nvd.nist.gov/vuln/detail/CVE-2025-62504)__: (CVSS score 6.5, Medium): Lua modified large enough response body will cause Envoy to crash.
- __[CVE-2025-62409](https://nvd.nist.gov/vuln/detail/CVE-2025-62409)__: (CVSS score 6.6, Medium): Large requests and responses can cause TCP connection pool crash.

## Am I Impacted?

You are impacted if you are using Istio 1.27.0, 1.26.0 to 1.26.3, or 1.25.0 to 1.25.4, and you use cookies named with prefix `__Secure-` or `__Host-`, or you are using `EnvoyFilter` with `dynamic_forward_proxy`.
You are impacted if you use Lua via `EnvoyFilter` that returns an oversized response body exceeding the `per_connection_buffer_limit_bytes` (default 1MB) or where you have large requests
and responses where a connection can be closed but data from upstream is still being sent.