CVE-2026-27143

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.

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

Problem types

CWE-190: Integer Overflow or Wraparound

Product status

Credits

Jakub Ciolek - https://ciolek.dev/

References

go.dev/cl/763765

go.dev/issue/78333

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

pkg.go.dev/vuln/GO-2026-4868

cve.org (CVE-2026-27143)

nvd.nist.gov (CVE-2026-27143)

Download JSON