Netatalk up to 4.4.3 hextoint Macro calculation

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 (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Netatalk up to 4.4.3. Impacted is an unknown function of the component hextoint Macro. Performing a manipulation results in an unknown weakness. This vulnerability is known as CVE-2026-7836. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Netatalk up to 4.4.3. This affects some unknown processing of the component hextoint Macro. CWE is classifying the issue as CWE-682. The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management. The impact remains unknown. The summary by CVE is:

An incorrect calculation in the hextoint macro in Netatalk 2.0.0 through 4.4.2 due to improper uppercase character handling allows a remote authenticated attacker to cause limited data modification via crafted hexadecimal input.

The advisory is shared at sourceforge.net. This vulnerability is uniquely identified as CVE-2026-7836. Neither technical details nor an exploit are publicly available.

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

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

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

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

Exploitinginfo

Class: Calculation
CWE: CWE-682
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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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-2026-7836 (🔒)
GCVE (CVE): GCVE-0-2026-7836
GCVE (VulDB): GCVE-100-364545

Entryinfo

Created: 05/19/2026 07:55
Updated: 05/24/2026 04:23
Changes: 05/19/2026 07:55 (51), 05/24/2026 04:23 (13)
Complete: 🔍
Cache ID: 216::103

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

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