CVE-2026-27143CRITICAL 9.8EPSS p42.2%

CVE-2026-27143CVE-2026-27143

golang / go

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.54% probability of exploitation · percentile 42.2% · 2026-08-03T12:00:16Z
Published2026-04-08
Last modified2026-07-25

References

  1. https://go.dev/cl/763765
  2. https://go.dev/issue/78333
  3. https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
  4. https://pkg.go.dev/vuln/GO-2026-4868

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.