Red Hat Security Advisory: go-toolset:rhel8 security update
Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. Security Fix(es): * golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip (CVE-2025-61728) * golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726) * cmd/cgo: Potential code smuggling via doc comments in cmd/cgo (CVE-2025-61732) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The advisory covers three security fixes in the Go programming language tools and libraries distributed as part of Red Hat Enterprise Linux 8.8. CVE-2025-61726 describes a memory exhaustion vulnerability in the net/url package's query parameter parsing. CVE-2025-61728 involves excessive CPU consumption when building an archive index in the archive/zip package. CVE-2025-61732 concerns potential code smuggling through doc comments in the cmd/cgo tool. Red Hat has released updated go-toolset packages addressing these issues for affected RHEL 8.8 variants, including Extended Life Cycle Long Life, Update Services for SAP Solutions, and Telecommunications Update Service. The advisory references Red Hat's errata RHSA-2026:3471 for detailed patching instructions.
Potential Impact
Successful exploitation of these vulnerabilities could lead to denial-of-service conditions via resource exhaustion (CPU or memory) or potentially allow code smuggling attacks through crafted doc comments in cmd/cgo. This could impact the stability and security of applications built or run using the affected Go toolset components on Red Hat Enterprise Linux 8.8 systems.
Mitigation Recommendations
Red Hat has issued updated go-toolset packages for Red Hat Enterprise Linux 8.8 that fix these vulnerabilities. Users should apply the security update RHSA-2026:3471 promptly to remediate the issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations are indicated by the vendor advisory.
Red Hat Security Advisory: go-toolset:rhel8 security update
Description
Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. Security Fix(es): * golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip (CVE-2025-61728) * golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726) * cmd/cgo: Potential code smuggling via doc comments in cmd/cgo (CVE-2025-61732) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The advisory covers three security fixes in the Go programming language tools and libraries distributed as part of Red Hat Enterprise Linux 8.8. CVE-2025-61726 describes a memory exhaustion vulnerability in the net/url package's query parameter parsing. CVE-2025-61728 involves excessive CPU consumption when building an archive index in the archive/zip package. CVE-2025-61732 concerns potential code smuggling through doc comments in the cmd/cgo tool. Red Hat has released updated go-toolset packages addressing these issues for affected RHEL 8.8 variants, including Extended Life Cycle Long Life, Update Services for SAP Solutions, and Telecommunications Update Service. The advisory references Red Hat's errata RHSA-2026:3471 for detailed patching instructions.
Potential Impact
Successful exploitation of these vulnerabilities could lead to denial-of-service conditions via resource exhaustion (CPU or memory) or potentially allow code smuggling attacks through crafted doc comments in cmd/cgo. This could impact the stability and security of applications built or run using the affected Go toolset components on Red Hat Enterprise Linux 8.8 systems.
Mitigation Recommendations
Red Hat has issued updated go-toolset packages for Red Hat Enterprise Linux 8.8 that fix these vulnerabilities. Users should apply the security update RHSA-2026:3471 promptly to remediate the issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3471
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-61728","CVE-2025-61732"]
- Cvss Version
- null
Threat ID: 6a16096ae29bf47b506301de
Added to database: 05/26/2026, 20:58:18 UTC
Last enriched: 07/30/2026, 11:49:14 UTC
Last updated: 07/31/2026, 21:55:55 UTC
Views: 51
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