Incorrect Calculation of Buffer Size Affecting rsync package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.38% (31st percentile)

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  • Snyk IDSNYK-CONAN-RSYNC-19427380
  • published29 Aug 2026
  • disclosed13 Aug 2026
  • creditUnknown

Introduced: 13 Aug 2026

CVE-2026-70457  (opens in a new tab)
CWE-131  (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 Incorrect Calculation of Buffer Size in the parse_size_arg function. An attacker can cause memory corruption by providing specially crafted input that leads to an out-of-bounds write when the return value of snprintf is used as an array index without proper bounds checking.

CVSS Base Scores

version 4.0
version 3.1