CVE-2026-27143
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Go toolchain | cmd/compile | 0 < 1.25.9 | affected |
| Go toolchain | cmd/compile | 1.26.0-0 < 1.26.2 | affected |
Weaknesses
- CWE-190: Integer Overflow or Wraparound
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
- https://go.dev/cl/763765
- https://go.dev/issue/78333
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
- https://pkg.go.dev/vuln/GO-2026-4868
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