Buffer overflow in Rsyncproject Rsync
CVE-2026-70456
rsync 3.0.1 before 3.5.0 contains an out-of-bounds write vulnerability in the read_args() function that allows a malicious sender to corrupt adjacent heap memory by sending a crafted argument list. When the argument count causes the argv a…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Rsyncproject Rsync — versions 3.0.1, 3.5.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-70456?
- CVE-2026-70456 is a high-severity vulnerability in Rsyncproject Rsync, classified under Out-of-bounds Write. CVSS score: 8.2/10. Published 2026-08-13.
- How severe is CVE-2026-70456?
- High severity. CVSS v3 base score is 8.2 out of 10.