GO-2026-4869
Unbounded allocation for old GNU sparse in archive/tar
At a glance
- Published
- Updated
- CVE
- CVE-2026-32288
- Aliases
- BIT-golang-2026-32288
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.
Affected packages
| Package | Versions |
|---|---|
| Go · stdlib | introduced 0, fixed 1.25.9, introduced 1.26.0-0, fixed 1.26.2 |
References
- https://go.dev/cl/763766 FIX
- https://go.dev/issue/78301 REPORT
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |