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CVE-2026-32288

CVE-2026-32288 · Unbounded allocation for old GNU sparse in archive/tar

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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.

CVSS 5.5 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • archive/tar

    Versions
    • ≥ 0, < 1.25.9: Affected (semver)
    • ≥ 1.26.0-0, < 1.26.2: Affected (semver)

    Update to 1.25.9; Update to 1.26.2

  • golang-1.19 Debian:12

    Versions
    • 1.19.10-1
    • 1.19.10-2
    • 1.19.11-1
    • 1.19.12-1
    • 1.19.12-2
    • 1.19.12-2~bpo11+1
    • 1.19.12-2~bpo12+1
    • 1.19.13-1
    • 1.19.13-1~bpo11+1
    • 1.19.13-1~bpo12+1
    • 1.19.8-2
    • 1.19.9-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.24 Debian:13

    Versions
    • 1.24.12-1
    • 1.24.13-1
    • 1.24.13-2
    • 1.24.4-1
    • 1.24.4-2
    • 1.24.4-3
    • 1.24.4-4
    • 1.24.7-1
    • 1.24.8-1
    • 1.24.9-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.26 Debian:14

    Versions
    • 1.26.0-1
    • 1.26.1-1
    • 1.26~rc2-1
    • 1.26~rc3-1
    • 1.26~rc3-2
    Affected ranges
    • ECOSYSTEM: < 1.26.2-1

    Update to 1.26.2-1

  • golang-1.10 Ubuntu:14.04:LTS

    Versions
    • 1.10.4-2ubuntu1~14.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.10 Ubuntu:16.04:LTS

    Versions
    • 1.10.4-2ubuntu1~16.04.1
    • 1.10.4-2ubuntu1~16.04.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.6 Ubuntu:16.04:LTS

    Versions
    • 1.6-0ubuntu1
    • 1.6-0ubuntu2
    • 1.6-0ubuntu3
    • 1.6-0ubuntu4
    • 1.6-0ubuntu5
    • 1.6.1-0ubuntu1
    • 1.6.2-0ubuntu5~16.04
    • 1.6.2-0ubuntu5~16.04.2
    • 1.6.2-0ubuntu5~16.04.3
    • 1.6.2-0ubuntu5~16.04.4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.13 Ubuntu:Pro:16.04:LTS

    Versions
    • 1.13.8-1ubuntu1~16.04.2
    • 1.13.8-1ubuntu1~16.04.3
    • 1.13.8-1ubuntu1~16.04.3+esm2
    • 1.13.8-1ubuntu1~16.04.3+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.18 Ubuntu:Pro:16.04:LTS

    Versions
    • 1.18.1-1ubuntu1~16.04.6
    • 1.18.1-1ubuntu1~16.04.6+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.10 Ubuntu:18.04:LTS

    Versions
    • 1.10~rc1-1
    • 1.10~rc1-1ubuntu1
    • 1.10~rc1-2ubuntu1
    • 1.10~rc2-1ubuntu1
    • 1.10-1ubuntu1
    • 1.10.1-1ubuntu2
    • 1.10.4-2ubuntu1~18.04.1
    • 1.10.4-2ubuntu1~18.04.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.13 Ubuntu:Pro:18.04:LTS

    Versions
    • 1.13.8-1ubuntu1~18.04.2
    • 1.13.8-1ubuntu1~18.04.3
    • 1.13.8-1ubuntu1~18.04.4
    • 1.13.8-1ubuntu1~18.04.4+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.16 Ubuntu:Pro:18.04:LTS

    Versions
    • 1.16.2-0ubuntu1~18.04.2
    • 1.16.2-0ubuntu1~18.04.2+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.18 Ubuntu:Pro:18.04:LTS

    Versions
    • 1.18.1-1ubuntu1~18.04.3
    • 1.18.1-1ubuntu1~18.04.4
    • 1.18.1-1ubuntu1~18.04.4+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.8 Ubuntu:18.04:LTS

    Versions
    • 1.8.3-2ubuntu1
    • 1.8.3-2ubuntu1.18.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.9 Ubuntu:18.04:LTS

    Versions
    • 1.9.1-2ubuntu1
    • 1.9.2-1ubuntu1
    • 1.9.2-3ubuntu1
    • 1.9.3-1ubuntu1
    • 1.9.4-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.13 Ubuntu:20.04:LTS

    Versions
    • 1.13.1-1ubuntu1
    • 1.13.3-1ubuntu1
    • 1.13.4-1ubuntu1
    • 1.13.5-1ubuntu1
    • 1.13.6-1ubuntu1
    • 1.13.6-2ubuntu1
    • 1.13.7-1ubuntu1
    • 1.13.8-1ubuntu1
    • 1.13.8-1ubuntu1.1
    • 1.13.8-1ubuntu1.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.14 Ubuntu:20.04:LTS

    Versions
    • 1.14~beta1-1
    • 1.14~beta1-2
    • 1.14~rc1-1
    • 1.14-1
    • 1.14.1-1
    • 1.14.2-1
    • 1.14.2-1ubuntu1
    • 1.14.3-2ubuntu2~20.04.1
    • 1.14.3-2ubuntu2~20.04.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.16 Ubuntu:Pro:20.04:LTS

    Versions
    • 1.16.2-0ubuntu1~20.04
    • 1.16.2-0ubuntu1~20.04.1
    • 1.16.2-0ubuntu1~20.04.1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.18 Ubuntu:20.04:LTS

    Versions
    • 1.18.1-1ubuntu1~20.04.1
    • 1.18.1-1ubuntu1~20.04.2
    • 1.18.1-1ubuntu1~20.04.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.20 Ubuntu:20.04:LTS

    Versions
    • 1.20.3-1ubuntu0.1~20.04
    • 1.20.3-1ubuntu0.1~20.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.21 Ubuntu:20.04:LTS

    Versions
    • 1.21.1-1~ubuntu20.04.1
    • 1.21.1-1~ubuntu20.04.2
    • 1.21.1-1~ubuntu20.04.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.22 Ubuntu:20.04:LTS

    Versions
    • 1.22.2-2~20.04.1
    • 1.22.2-2~20.04.2
    • 1.22.2-2~20.04.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.17 Ubuntu:22.04:LTS

    Versions
    • 1.17-1ubuntu2
    • 1.17.3-1ubuntu1
    • 1.17.3-1ubuntu2
    • 1.17.13-3ubuntu1
    • 1.17.13-3ubuntu1.2
    • 1.17.13-3ubuntu1.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • golang-1.18 Ubuntu:22.04:LTS

    Versions
    • 1.18~beta1-0ubuntu1
    • 1.18~beta2-1ubuntu1
    • 1.18~beta2-1ubuntu2
    • 1.18~rc1-1ubuntu1
    • 1.18-1ubuntu1
    • 1.18.1-1ubuntu1
    • 1.18.1-1ubuntu1.1
    • 1.18.1-1ubuntu1.2
    • 1.18.1-1ubuntu1.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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