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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.

PUBLISHED Reserved 2026-02-17 | Published 2026-04-08 | Updated 2026-04-13 | Assigner Go

Problem types

CWE-440: Expected Behavior Violation

Product status

Default status
unaffected

Any version before 1.25.9
affected

1.26.0-0 (semver) before 1.26.2
affected

Credits

Jakub Ciolek - https://ciolek.dev/

References

go.dev/cl/763764

go.dev/issue/78371

groups.google.com/g/golang-announce/c/0uYbvbPZRWU

pkg.go.dev/vuln/GO-2026-4867

cve.org (CVE-2026-27144)

nvd.nist.gov (CVE-2026-27144)

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