CVE-2026-44050
Heap Buffer Overflow in Netatalk
Publication date: 2026-05-21
Last updated on: 2026-05-21
Assigner: securin
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| netatalk | netatalk | From 2.0.0 (inc) to 4.4.2 (inc) |
| netatalk | netatalk | 4.4.3 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a heap buffer overflow found in the cnid daemon's comm_rcv() function in Netatalk versions 2.0.0 through 4.4.2. A heap buffer overflow occurs when a program writes more data to a buffer located on the heap than it is allocated to hold, which can lead to memory corruption.
The issue was fixed in version 4.4.3 of Netatalk.
How can this vulnerability impact me? :
This vulnerability has a very high severity with a CVSS v3.1 base score of 9.9, indicating it is critical.
Exploitation of this heap buffer overflow can lead to complete compromise of the affected system, including full confidentiality, integrity, and availability impacts.