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In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, many (but not all) common configurations are vulnerable. Non-Linux platforms are more widely vulnerable.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade rsync-daemonUpgrade rsyncUpgrade rsync-rrsync | May 17, 2026 | May 14, 2026 |
| Alpine Linux | — | Upgrade rsync | Apr 23, 2026 | Apr 16, 2026 |
| Debian | — | Upgrade rsync | Jun 22, 2026 | Jun 22, 2026 |
| Gentoo Linux | — | Upgrade net-misc/rsync. | Aug 16, 2026 | Aug 13, 2026 |
| Nutanix Ahv | — | Upgrade Nutanix AHV to the latest version | Jul 2, 2026 | Jul 1, 2026 |
| Oracle_linux | — | Upgrade rsync-rrsyncUpgrade rsyncUpgrade rsync-daemon | May 21, 2026 | Apr 16, 2026 |
| Redhat Openshift | — | Upgrade ose-rhel-coreos | Aug 10, 2026 | Apr 16, 2026 |
| Redhat_linux | — | Upgrade rsync-debugsourceUpgrade rsync-daemonUpgrade rsync-debuginfoUpgrade rsync-rrsyncUpgrade rsync | May 18, 2026 | Apr 16, 2026 |
| Rocky_linux | — | Upgrade rsync-debuginfoUpgrade rsync-debugsourceUpgrade rsync | May 18, 2026 | May 15, 2026 |
| Ubuntu | — | Upgrade rsyncUpgrade rsync (Ubuntu Pro) | May 25, 2026 | May 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 5, 2026 | Apr 16, 2026 |
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