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librsync before 1.0.0 uses a truncated MD4 checksum to match blocks, which makes it easier for remote attackers to modify transmitted data via a birthday attack.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade librsync | Jul 30, 2024 | Oct 26, 2015 |
| Freebsd | — | Upgrade librsync | Dec 10, 2025 | Jan 8, 2016 |
| Gentoo Linux | — | Upgrade net-misc/rsync. | Oct 30, 2017 | Oct 26, 2015 |
| Suse | — | Upgrade rsyncUpgrade librsync2Upgrade librsync-devel | Dec 18, 2015 | Oct 26, 2015 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Oct 26, 2015 |
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