| { |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0", |
| "cveMetadata": { |
| "cveId": "CVE-2026-32288" |
| }, |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc" |
| }, |
| "title": "Unbounded allocation for old GNU sparse in archive/tar", |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "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": [ |
| { |
| "vendor": "Go standard library", |
| "product": "archive/tar", |
| "collectionURL": "https://pkg.go.dev", |
| "packageName": "archive/tar", |
| "versions": [ |
| { |
| "version": "0", |
| "lessThan": "1.25.9", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "1.26.0-0", |
| "lessThan": "1.26.2", |
| "status": "affected", |
| "versionType": "semver" |
| } |
| ], |
| "programRoutines": [ |
| { |
| "name": "Reader.readOldGNUSparseMap" |
| }, |
| { |
| "name": "readGNUSparseMap1x0" |
| }, |
| { |
| "name": "Reader.Next" |
| } |
| ], |
| "defaultStatus": "unaffected" |
| } |
| ], |
| "problemTypes": [ |
| { |
| "descriptions": [ |
| { |
| "lang": "en", |
| "description": "CWE-400: Uncontrolled Resource Consumption" |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://go.dev/cl/763766" |
| }, |
| { |
| "url": "https://go.dev/issue/78301" |
| }, |
| { |
| "url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU" |
| }, |
| { |
| "url": "https://pkg.go.dev/vuln/GO-2026-4869" |
| } |
| ], |
| "credits": [ |
| { |
| "lang": "en", |
| "value": "Colin Walters (walters@verbum.org)" |
| }, |
| { |
| "lang": "en", |
| "value": "Uuganbayar Lkhamsuren (https://github.com/uug4na)" |
| }, |
| { |
| "lang": "en", |
| "value": "Jakub Ciolek" |
| } |
| ] |
| } |
| } |
| } |
