GO-2026-4867
Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile
At a glance
- Published
- Updated
- CVE
- CVE-2026-27144
- Aliases
- BIT-golang-2026-27144
Description
The compiler is meant to unwrap pointers which are the operands of a memory move; a no-op interface conversion prevented the compiler from making the correct determination about non-overlapping moves, potentially leading to memory corruption at runtime.
Affected packages
| Package | Versions |
|---|---|
| Go · toolchain | introduced 0, fixed 1.25.9, introduced 1.26.0-0, fixed 1.26.2 |
References
- https://go.dev/cl/763764 FIX
- https://go.dev/issue/78371 REPORT
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |