Improper Validation of Array Index Affecting rsync package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-CONAN-RSYNC-19427418
- published29 Aug 2026
- disclosed13 Aug 2026
- creditUnknown
Introduced: 13 Aug 2026
NewCVE-2026-53792 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Validation of Array Index in the sender-side block matching process. An attacker can cause memory access before the start of an allocated buffer by sending a crafted checksum block with a length of zero, resulting in an out-of-bounds read of file data buffer memory on the sender side.