OS Command Injection Affecting rsync-debuginfo package, versions <0:3.5.1-1.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.63% (49th percentile)

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  • Snyk IDSNYK-AMZN2023-RSYNCDEBUGINFO-20246292
  • published29 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-53790  (opens in a new tab)
CWE-78  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 rsync-debuginfo to version 0:3.5.1-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-3131.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rsync-debuginfo package and not the rsync-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

rsync before 3.5.0 contains multiple command and argument injection vulnerabilities that allow attackers to execute arbitrary commands by supplying malicious input through several code paths, including the RSYNC_CONNECT_PROG environment variable, daemon hooks, the rsync-ssl wrapper, and remote-shell command newline injection. Attackers can inject shell metacharacters or newline characters into unsanitized user-supplied values such as hostnames and hostspecs to execute arbitrary commands under the privileges of the rsync process or the invoking user.

CVSS Base Scores

version 3.1