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GNU Tar through 1.30, when --sparse is used, mishandles file shrinkage during read access, which allows local users to cause a denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file that is supposed to be archived by a different user's process (e.g., a system backup running as root).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade tar | Jan 21, 2019 | Dec 26, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Dec 26, 2018 |
| Debian | — | Upgrade tar | Feb 20, 2019 | Dec 26, 2018 |
| Gentoo Linux | — | Upgrade app-arch/tar. | Mar 11, 2019 | Dec 26, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade tar | Apr 2, 2019 | Dec 26, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade tar | May 7, 2019 | Dec 26, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade tar | Apr 3, 2019 | Dec 26, 2018 |
| Huawei Euleros 2_0_sp8 | — | Upgrade tar | Jan 3, 2020 | Dec 26, 2018 |
| Oracle Solaris | — | Upgrade archiver/gnu-tar to version 1.31-11.4.7.0.1.2.0 on Solaris 11.4 | Mar 20, 2019 | Dec 26, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 26, 2018 |
| Suse | — | Upgrade tar-docUpgrade tar-rmtUpgrade tar-testsUpgrade tar-langUpgrade tar-backup-scriptsUpgrade tar | Apr 19, 2019 | Dec 26, 2018 |
| Ubuntu | — | Upgrade tar (Ubuntu Pro)Upgrade tar | Jan 14, 2021 | Dec 26, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 26, 2018 |
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