CVE-2026-44048
Deferred Deferred - Pending Action

Stack Buffer Overflow in Netatalk

Publication date: 2026-05-21

Last updated on: 2026-05-21

Assigner: securin

Description
A stack-based buffer overflow via UCS-2 type confusion in convert_charset() in Netatalk 2.0.4 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code or cause a denial of service.

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Meta Information

Published
2026-05-21
Last Modified
2026-05-21
Generated
2026-06-30
AI Q&A
2026-05-21
EPSS Evaluated
2026-06-29
NVD
CVE-2026-44048
EUVD
EUVD-2026-31225

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
netatalk netatalk From 2.0.4 (inc) to 4.4.2 (inc)
netatalk netatalk 4.4.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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Mitigation Strategies

The vulnerability is fixed in Netatalk version 4.4.3. Immediate mitigation steps include upgrading Netatalk to version 4.4.3 or later.

Executive Summary

This vulnerability is a stack buffer overflow in Netatalk versions 2.0.4 through 4.4.2. It occurs due to a type confusion involving UCS-2 encoding in the function convert_charset(). This flaw allows an attacker to overwrite parts of the stack, potentially leading to arbitrary code execution or system crashes. The issue was fixed in version 4.4.3.

Impact Analysis

Exploitation of this vulnerability can lead to severe impacts including complete compromise of confidentiality, integrity, and availability of the affected system. An attacker could execute arbitrary code remotely with low complexity and no user interaction required, potentially gaining control over the system or causing denial of service.

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