CVE-2026-32288
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Go standard library | archive/tar | 0 < 1.25.9 | affected |
| Go standard library | archive/tar | 1.26.0-0 < 1.26.2 | affected |
Weaknesses
- CWE-400: Uncontrolled Resource Consumption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
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
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