Netatalk up to 4.4.2 Spotlight RPC unmarshaller memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Netatalk up to 4.4.2. The affected element is an unknown function of the component Spotlight RPC unmarshaller. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2026-44057. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Netatalk up to 4.4.2. This affects an unknown code of the component Spotlight RPC unmarshaller. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A dead bounds check in the Spotlight RPC unmarshaller in Netatalk 3.0.0 through 4.4.2 results in an unreachable code path that provides no effective bounds protection, which may allow a remote authenticated attacker to obtain limited information via crafted Spotlight RPC requests.

The advisory is shared at sourceforge.net. This vulnerability is uniquely identified as CVE-2026-44057. The exploitability is told to be easy. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 315215 (Debian dsa-62801 : a2boot - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.4.3 eliminates this vulnerability. The upgrade is hosted for download at netatalk.io.

The vulnerability is also documented in the vulnerability database at Tenable (315215). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.1
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 315215
Nessus Name: Debian dsa-62801 : a2boot - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Netatalk 4.4.3

Timelineinfo

05/19/2026 Advisory disclosed
05/19/2026 +0 days VulDB entry created
05/24/2026 +5 days VulDB entry last update

Sourcesinfo

Advisory: sourceforge.net
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-44057 (🔒)
GCVE (CVE): GCVE-0-2026-44057
GCVE (VulDB): GCVE-100-364557

Entryinfo

Created: 05/19/2026 07:55
Updated: 05/24/2026 05:39
Changes: 05/19/2026 07:55 (53), 05/20/2026 16:46 (2), 05/24/2026 05:39 (12)
Complete: 🔍
Cache ID: 216::103

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