{"id":"CVE-2026-32288","revision":"654231e4f1d64a36ad723eac513a7c1e","records":[{"revision":"654231e4f1d64a36ad723eac513a7c1e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-32288","aliases":[],"title":"Unbounded allocation for old GNU sparse in archive/tar","description":"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.","state":0,"publishedAt":"2026-04-08T01:06:57.416+00:00","modifiedAt":"2026-04-13T18:20:08.191+00:00","affected":[{"ecosystem":"https://pkg.go.dev","name":"archive/tar","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Go standard library\",\n                    \"product\": \"archive/tar\",\n                    \"collectionURL\": \"https://pkg.go.dev\",\n                    \"packageName\": \"archive/tar\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.25.9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"1.26.0-0\",\n                            \"lessThan\": \"1.26.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"Reader.readOldGNUSparseMap\"\n                        },\n                        {\n                            \"name\": \"readGNUSparseMap1x0\"\n                        },\n                        {\n                            \"name\": \"Reader.Next\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://go.dev/cl/763766","https://go.dev/issue/78301","https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU","https://pkg.go.dev/vuln/GO-2026-4869"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-32288","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-32288","identifiers":["CVE-2026-32288"]},"retained":false,"historicalAffected":[]}],"coverage":[]}