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RockyLinux 9 : rsync (RLSA-2026:26410)

high Nessus Plugin ID 321389

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Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:26410 advisory.

 * rsync: rsync: Remote memory disclosure via integer overflow in compressed-token decoding (CVE-2026-43618)

 * rsync: TOCTOU symlink race condition allowing local privilege escalation in daemon mode without chroot.
 (CVE-2026-29518)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2469054

https://bugzilla.redhat.com/show_bug.cgi?id=2469055

https://errata.rockylinux.org/RLSA-2026:26410

Plugin Details

Severity: High

ID: 321389

File Name: rocky_linux_RLSA-2026-26410.nasl

Version: 1.2

Type: Local

Published: 6/17/2026

Updated: 6/18/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.26

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:C

CVSS Score Source: CVE-2026-43618

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.3

Threat Score: 4.4

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-29518

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:rsync-debuginfo, p-cpe:/a:rocky:linux:rsync, p-cpe:/a:rocky:linux:rsync-debugsource, p-cpe:/a:rocky:linux:rsync-daemon, cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:rsync-rrsync

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2026

Vulnerability Publication Date: 5/20/2026

Reference Information

CVE: CVE-2026-29518, CVE-2026-43618