Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.
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Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-08. NVD baseline CVSS 9.8; sources differ by 0.0.
Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.
April 8, 2026
April 16, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: OpenShift Container Platform 4.19.32 bug fix and security update
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.3.3
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.2.5
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.1.8
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.0.11
Red Hat Security Advisory: golang security update
Red Hat Security Advisory: golang security update
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.6.15
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | openshift-service-mesh/istio-proxyv2-rhel9:1778012399 | 2026-05-12 | redhat |
| redhat | openshift-service-mesh/istio-rhel9-operator:1778149127 | 2026-05-12 | redhat |
| redhat | openshift-service-mesh/istio-rhel9-operator:1778149657 | 2026-05-12 | redhat |
| redhat | openshift-service-mesh/istio-rhel9-operator:1778150474 | 2026-05-12 | redhat |
| redhat | golang-0:1.25.9-1.el10_0 | 2026-05-11 | redhat |
| redhat | golang-0:1.25.9-1.el9_6 | 2026-05-11 | redhat |
| redhat | openshift-service-mesh/ratelimit-rhel8:1777319773 | 2026-04-29 | redhat |
| redhat | go-toolset:rhel8-8100020260422204008.a3795dee | 2026-04-27 | redhat |
| redhat | golang-0:1.25.9-1.el9_7 | 2026-04-24 | redhat |
| redhat | golang-0:1.25.9-3.el10_1 | 2026-04-23 | redhat |
| redhat | golang1-25-main-1.25.9-1.hum1 | 2026-04-10 | redhat |
| redhat | golang1-26-main-1.26.2-1.hum1 | 2026-04-09 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| toolchain | — | 1.26.2 | — |
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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