{"schema_version":"1.9.0","id":"BIT-golang-2026-27143","published":"2026-04-18T08:42:32.381Z","modified":"2026-09-08T08:47:49.179975044Z","aliases":["CVE-2026-27143","GO-2026-4868"],"summary":"Missing bound checks can lead to memory corruption in safe Go in cmd/compile","details":"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":[{"package":{"name":"golang","ecosystem":"Bitnami","purl":"pkg:bitnami/golang"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.9"},{"introduced":"1.26.0"},{"fixed":"1.26.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-27143.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}],"references":[{"type":"FIX","url":"https://go.dev/cl/763765"},{"type":"REPORT","url":"https://go.dev/issue/78333"},{"type":"DISCUSSION","url":"https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27143"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2026-4868"}],"database_specific":{"cpes":["cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"],"severity":"Critical"}}