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CVE PROGRAM SOURCE RECORD5.5 Medium

CVE-2026-32288

Unbounded allocation for old GNU sparse in archive/tar

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Status
Published
Published
Updated
Assigning organization
Go

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Go standard library archive/tar

Default version status: unaffected

  • 0 to < 1.25.9affected
  • 1.26.0-0 to < 1.26.2affected

References