What is CVE-2026-70462?

CVE-2026-70462 is a medium-severity vulnerability in Rsyncproject Rsync, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2026-08-13.

How severe is CVE-2026-70462?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Integer overflow in Rsyncproject Rsync

CVE-2026-70462

rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSG_IO_TIMEOUT messages carrying non-positive (zero o…

Vulnerability class: Integer Overflow

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Rsyncproject Rsync — versions 3.1.0, 3.5.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound
CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-70462?: CVE-2026-70462 is a medium-severity vulnerability in Rsyncproject Rsync, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2026-08-13.
How severe is CVE-2026-70462?: Medium severity. CVSS v3 base score is 6.5 out of 10.