Findings

CVE-2019-9923

pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.

Published Mar 22, 2019 · updated Oct 14, 2026 · gnu tar

pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 22, 2019 · NIST NVD

    Detected

    pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.

  2. Oct 14, 2026 · NIST NVD

    Updated

    pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.

Affected

  • cpe gnu/tarversion unspecified
  • cpe opensuse/leap15.0

Sources

  • CVE.orgVulnerability recordCVE-2019-9923

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-9923

    30-day exploitation probability 3.1%

    first.org
  • NIST NVDVulnerability recordCVE-2019-9923

    pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.

    nvd.nist.gov

References

CVE-2019-9923 · ZeroDay Findings