{"schema_version":"1.9.0","id":"BIT-golang-2026-32288","published":"2026-04-13T05:43:46.362Z","modified":"2026-09-08T08:47:49.481636842Z","aliases":["CVE-2026-32288","GO-2026-4869"],"summary":"Unbounded allocation for old GNU sparse in archive/tar","details":"tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the \"old GNU sparse map\" format.","affected":[{"package":{"name":"golang","ecosystem":"Bitnami","purl":"pkg:bitnami/golang"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.9"},{"introduced":"1.26.0-0"},{"fixed":"1.26.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-32288.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}],"references":[{"type":"FIX","url":"https://go.dev/cl/763766"},{"type":"REPORT","url":"https://go.dev/issue/78301"},{"type":"DISCUSSION","url":"https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32288"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2026-4869"}],"database_specific":{"cpes":["cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"],"severity":"Medium"}}