| { |
| "schema_version": "1.3.1", |
| "id": "GO-2026-4869", |
| "modified": "0001-01-01T00:00:00Z", |
| "published": "0001-01-01T00:00:00Z", |
| "aliases": [ |
| "CVE-2026-32288" |
| ], |
| "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": "stdlib", |
| "ecosystem": "Go" |
| }, |
| "ranges": [ |
| { |
| "type": "SEMVER", |
| "events": [ |
| { |
| "introduced": "0" |
| }, |
| { |
| "fixed": "1.25.9" |
| }, |
| { |
| "introduced": "1.26.0-0" |
| }, |
| { |
| "fixed": "1.26.2" |
| } |
| ] |
| } |
| ], |
| "ecosystem_specific": { |
| "imports": [ |
| { |
| "path": "archive/tar", |
| "symbols": [ |
| "Reader.Next", |
| "Reader.readOldGNUSparseMap", |
| "readGNUSparseMap1x0" |
| ] |
| } |
| ] |
| } |
| } |
| ], |
| "references": [ |
| { |
| "type": "FIX", |
| "url": "https://go.dev/cl/763766" |
| }, |
| { |
| "type": "REPORT", |
| "url": "https://go.dev/issue/78301" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU" |
| } |
| ], |
| "credits": [ |
| { |
| "name": "Colin Walters (walters@verbum.org)" |
| }, |
| { |
| "name": "Uuganbayar Lkhamsuren (https://github.com/uug4na)" |
| }, |
| { |
| "name": "Jakub Ciolek" |
| } |
| ], |
| "database_specific": { |
| "url": "https://pkg.go.dev/vuln/GO-2026-4869", |
| "review_status": "REVIEWED" |
| } |
| } |
