Description
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.
Affected products
golang: go
References4
- pkg.go.dev/vuln/GO-2026-4868 Vendor Advisory
- go.dev/cl/763765 Patch
- go.dev/issue/78333 Issue Tracking
- groups.google.com/g/golang-announce/c/0uYbvbPZRWU Mailing ListRelease Notes
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 46 · as of 12 November 2026
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