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 sp…

Code

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No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 8, 2026 · NIST NVD

   Detected

   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.

2. Jul 25, 2026 · NIST NVD

   Updated

   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

• cpe golang/goversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-32288

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-32288

  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.

  nvd.nist.gov

References

• Patch · go.dev
• Issue Tracking · go.dev
• Mailing List · groups.google.com
• Vendor Advisory · pkg.go.dev