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A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade libarchive | Sep 1, 2026 | Sep 1, 2026 |
| Oracle_linux | — | Upgrade bsdtarUpgrade libarchiveUpgrade libarchive-devel | Oct 22, 2026 | Jul 10, 2026 |
| Redhat_linux | — | Upgrade libarchive-debuginfoNo solution existsUpgrade libarchive-debugsourceUpgrade bsdtar-debuginfoUpgrade bsdtarUpgrade libarchive-develUpgrade bsdcat-debuginfoUpgrade bsdunzip-debuginfoUpgrade libarchiveUpgrade bsdcpio-debuginfo | Jul 17, 2026 | Jul 8, 2026 |
| Rocky_linux | — | Upgrade libarchive-develUpgrade libarchive-debugsourceUpgrade bsdtarUpgrade bsdtar-debuginfoUpgrade libarchiveUpgrade libarchive-debuginfo | Sep 28, 2026 | Sep 23, 2026 |
| Ubuntu | — | Upgrade libarchive-devUpgrade libarchive13t64Upgrade libarchive13 (Ubuntu Pro)Upgrade libarchive-tools (Ubuntu Pro)Upgrade libarchive-dev (Ubuntu Pro)Upgrade libarchive-toolsUpgrade libarchive13 | Jul 22, 2026 | Jul 21, 2026 |
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