RsyncProject Rsync up to 3.4.4 Daemon Child Process null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k1.55

Summaryinfo

A vulnerability was found in RsyncProject Rsync up to 3.4.4. It has been classified as problematic. Impacted is an unknown function of the component Daemon Child Process. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2026-70459. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in RsyncProject Rsync up to 3.4.4. It has been classified as problematic. This affects an unknown code block of the component Daemon Child Process. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

rsync 3.0.0 before 3.5.0 contains a null pointer dereference vulnerability in the daemon child process that allows remote attackers to crash the daemon by sending a file list whose first entry is a dot entry not typed as a directory. The daemon dereferences the first file list entry as a directory structure pointer without verifying the entry type, resulting in an invalid or uninitialized pointer dereference that terminates the client connection.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-70459 since 08/04/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 335066 (Linux Distros Unpatched Vulnerability : CVE-2026-70459), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.5.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (335066). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 335066
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-70459

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Rsync 3.5.0

Timelineinfo

08/04/2026 CVE reserved
08/13/2026 +9 days Advisory disclosed
08/13/2026 +0 days VulDB entry created
08/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-70459 (🔒)
GCVE (CVE): GCVE-0-2026-70459
GCVE (VulDB): GCVE-100-389625

Entryinfo

Created: 08/13/2026 17:59
Updated: 08/13/2026 18:42
Changes: 08/13/2026 17:59 (56), 08/13/2026 18:42 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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