Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.6.14
Red Hat OpenShift Service Mesh 2. 6. 14 addresses multiple security vulnerabilities affecting its proxyv2-rhel9 component, including memory exhaustion, arbitrary file write, code smuggling, unexpected session resumption, and excessive CPU consumption. These vulnerabilities impact components such as crypto/tls, cmd/cgo, cmd/go, net/url, and archive/zip. The advisory covers five CVEs: CVE-2025-61726, CVE-2025-61728, CVE-2025-61731, CVE-2025-61732, and CVE-2025-68121. Red Hat has released version 2. 6. 14 to remediate these issues. No known exploits in the wild have been reported. The update is classified as important by Red Hat Product Security.
AI Analysis
Technical Summary
Red Hat OpenShift Service Mesh 2.6.14, based on the Istio project, fixes five security vulnerabilities in the proxyv2-rhel9 component. These include CVE-2025-61726 (memory exhaustion in query parameter parsing in net/url), CVE-2025-61728 (excessive CPU consumption when building archive index in archive/zip), CVE-2025-61731 (arbitrary file write via malicious pkg-config directive in cmd/go), CVE-2025-61732 (potential code smuggling via doc comments in cmd/cgo), and CVE-2025-68121 (unexpected session resumption in crypto/tls). The vulnerabilities affect microservice architecture components by potentially causing resource exhaustion and unauthorized file writes. Red Hat has issued an official security advisory RHSA-2026:3556 and released OpenShift Service Mesh 2.6.14 to address these issues.
Potential Impact
The vulnerabilities can lead to memory exhaustion, excessive CPU usage, arbitrary file writes, and unexpected session resumption within the affected components of Red Hat OpenShift Service Mesh. These issues could degrade service availability or allow unauthorized file manipulation. However, no known exploits in the wild have been reported. The overall security impact is rated as important by Red Hat, indicating a high severity but not critical.
Mitigation Recommendations
Red Hat has released OpenShift Service Mesh version 2.6.14 which includes fixes for all identified vulnerabilities. Users should upgrade to this version to remediate the issues. Since this is not a cloud service, remediation requires applying the update manually. There are no indications from the vendor advisory that any additional mitigations or workarounds are necessary beyond applying the update.
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.6.14
Description
Red Hat OpenShift Service Mesh 2. 6. 14 addresses multiple security vulnerabilities affecting its proxyv2-rhel9 component, including memory exhaustion, arbitrary file write, code smuggling, unexpected session resumption, and excessive CPU consumption. These vulnerabilities impact components such as crypto/tls, cmd/cgo, cmd/go, net/url, and archive/zip. The advisory covers five CVEs: CVE-2025-61726, CVE-2025-61728, CVE-2025-61731, CVE-2025-61732, and CVE-2025-68121. Red Hat has released version 2. 6. 14 to remediate these issues. No known exploits in the wild have been reported. The update is classified as important by Red Hat Product Security.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat OpenShift Service Mesh 2.6.14, based on the Istio project, fixes five security vulnerabilities in the proxyv2-rhel9 component. These include CVE-2025-61726 (memory exhaustion in query parameter parsing in net/url), CVE-2025-61728 (excessive CPU consumption when building archive index in archive/zip), CVE-2025-61731 (arbitrary file write via malicious pkg-config directive in cmd/go), CVE-2025-61732 (potential code smuggling via doc comments in cmd/cgo), and CVE-2025-68121 (unexpected session resumption in crypto/tls). The vulnerabilities affect microservice architecture components by potentially causing resource exhaustion and unauthorized file writes. Red Hat has issued an official security advisory RHSA-2026:3556 and released OpenShift Service Mesh 2.6.14 to address these issues.
Potential Impact
The vulnerabilities can lead to memory exhaustion, excessive CPU usage, arbitrary file writes, and unexpected session resumption within the affected components of Red Hat OpenShift Service Mesh. These issues could degrade service availability or allow unauthorized file manipulation. However, no known exploits in the wild have been reported. The overall security impact is rated as important by Red Hat, indicating a high severity but not critical.
Mitigation Recommendations
Red Hat has released OpenShift Service Mesh version 2.6.14 which includes fixes for all identified vulnerabilities. Users should upgrade to this version to remediate the issues. Since this is not a cloud service, remediation requires applying the update manually. There are no indications from the vendor advisory that any additional mitigations or workarounds are necessary beyond applying the update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3556
- Cve Count
- 5
- Additional Cves
- ["CVE-2025-61728","CVE-2025-61731","CVE-2025-61732","CVE-2025-68121"]
- Cvss Version
- null
Threat ID: 6a16096ae29bf47b506301b0
Added to database: 5/26/2026, 8:58:18 PM
Last enriched: 5/26/2026, 9:42:11 PM
Last updated: 5/27/2026, 4:54:40 AM
Views: 2
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