CVE-2026-70462
Medium · 6.5CVSS
6.5
EPSS
0.5%
Published
Aug 13, 2026
CISA due date
—
The record
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 or negative) values. Attackers can craft malicious MSG_IO_TIMEOUT messages that cause the timeout variable to wrap to a non-positive value, preventing the timeout check from firing and enabling idle or stalled connections to hold daemon slots indefinitely, leading to resource exhaustion.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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