RHSA-2026:7879HighCVSS 8.6
Red Hat Security Advisory: go-toolset:rhel8 security update
🔗 CVE IDs covered (2)
📋 Description
CVE-2025-61731 — cmd/go: cmd/go: Arbitrary file write via malicious pkg-config directive CVE-2026-25679 — net/url: Incorrect parsing of IPv6 host literals in net/url
🎯 Affected products30
- Red Hat Enterprise Linux AppStream AUS (v.8.4)
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- delve-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.src (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- delve-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.src (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- delve-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- delve-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- delve-debuginfo-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- delve-debuginfo-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- delve-debugsource-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- delve-debugsource-0:1.5.0-2.module+el8.4.0+8864+58b0fcdb.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- go-toolset-0:1.15.14-3.module+el8.4.0+22765+91da4d3f.src (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- go-toolset-0:1.15.14-3.module+el8.4.0+22765+91da4d3f.src (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- go-toolset-0:1.15.14-3.module+el8.4.0+22765+91da4d3f.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- go-toolset-0:1.15.14-3.module+el8.4.0+22765+91da4d3f.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.src (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.src (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-bin-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-bin-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-docs-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-docs-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-misc-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-misc-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-race-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-race-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.x86_64 (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-src-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-src-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
- golang-tests-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
- golang-tests-0:1.15.14-21.module+el8.4.0+24185+53e66e3d.noarch (go-toolset:rhel8) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:7879
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2434433
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2445356
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7879.json