Detections
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Echo: rsync: security update to 3.4.1+ds1-5+deb13u3

medium Tenable Self-Hosted Container Security Plugin ID 461386

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Rsync version 3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder
 where a 32-bit signed counter is not checked for overflow, allowing a malicious sender to trigger an
 overflow that causes the receiver process to read and return data from outside the intended buffer bounds.
 Attackers can exploit this vulnerability to disclose process memory contents including environment
 variables, passwords, heap and stack data, and library memory pointers, significantly reducing ASLR
 effectiveness and facilitating further exploitation. (CVE-2026-43618)

Solution

Update the rsync library and its related packages to version 3.4.1+ds1-5+deb13u3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-43618

Plugin Details

Severity: Medium

ID: 461386

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.99

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:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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

CVSS v4

Risk Factor: Medium

Base Score: 6.1

Threat Score: 2.4

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/20/2026

Vulnerability Publication Date: 5/20/2026

Reference Information

CVE: CVE-2026-43618

IAVA: 2026-A-0502