PT-2026-31059 · Go Toolchain · Cmd/Compile

Published 2026-04-08 · Updated 2026-04-08 · CVE-2026-27143

Mitre

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.

Related Identifiers

CVE-2026-27143

Affected Products

Cmd/Compile

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-27143 · Security Note
• https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU · Note
• https://pkg.go.dev/vuln/GO-2026-4868 · Note
• https://go.dev/issue/78333 · Note
• https://go.dev/cl/763765 · Note