Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.25.9 |
References
- https://go.dev/cl/763765Patch
- https://go.dev/issue/78333Issue Tracking
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWURelease NotesMailing List
- https://pkg.go.dev/vuln/GO-2026-4868Vendor Advisory
FAQ
What is CVE-2026-27143?
CVE-2026-27143 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 t...
How severe is CVE-2026-27143?
CVE-2026-27143 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-27143?
Check the references section above for vendor advisories and patch information. Affected products include: Golang Go.