Detections
Analytics

Echo: rsync: security update to 3.5.0+ds1-1

high Tenable Self-Hosted Container Security Plugin ID 455417

Description

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

 - rsync before 3.5.0 contains an algorithmic complexity vulnerability in the hash_search() function that
 allows a remote attacker to cause a denial of service by delivering a carefully constructed file list. A
 sender can exploit the quadratic-time worst-case behavior in hash lookups to exhaust receiver CPU
 resources with a modest number of crafted entries, causing a sustained denial of service. (CVE-2026-70453)

Solution

Update the rsync library and its related packages to version 3.5.0+ds1-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-70453

Plugin Details

Severity: High

ID: 455417

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.65

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-70453

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 8/13/2026

Reference Information

CVE: CVE-2026-70453

IAVA: 2026-A-0906