Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| Go standard library / archive/tar | affected 0 before 1.25.9; affected 1.26.0-0 before 1.26.2 |
CWE
No CWE identifiers supplied.
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
ADP enrichment
No English description supplied.
No references supplied.