VDB-364579 · CVE-2026-45356 · GCVE-0-2026-45356

Netatalk up to 4.4.2 Spotlight RPC integer underflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Netatalk up to 4.4.2. It has been classified as problematic. The affected element is an unknown function of the component Spotlight RPC. This manipulation causes integer underflow. The identification of this vulnerability is CVE-2026-45356. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Netatalk up to 4.4.2. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Spotlight RPC. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. The impact remains unknown.

It is possible to read the advisory at sourceforge.net. This vulnerability is known as CVE-2026-45356. The technical details are unknown and an exploit is not publicly available.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Netatalk

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

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

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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
05/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: sourceforge.net
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-45356 (🔒)
GCVE (CVE): GCVE-0-2026-45356
GCVE (VulDB): GCVE-100-364579

Entryinfo

Created: 05/19/2026 07:56
Changes: 05/19/2026 07:56 (52)
Complete: 🔍
Cache ID: 216::103