Integer overflow in Rsyncproject Rsync
CVE-2026-44508
Rsync is a file-copying tool that uses a delta-transfer algorithm to synchronize remote and local files. In versions prior to 3.4.3, the receiver's compressed-token decoder accumulated a 32-bit signed counter without checking for overflow…
Vulnerability class: Integer Overflow
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Rsyncproject Rsync — versions < 3.4.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-44508?
- CVE-2026-44508 is a high-severity vulnerability in Rsyncproject Rsync, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2026-07-20.
- How severe is CVE-2026-44508?
- High severity. CVSS v3 base score is 8.1 out of 10.