CVE-2026-44070 Details
Description
An unbounded memory reallocation in the charset conversion code in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to cause a minor denial of service via crafted character conversion requests.
A denial-of-service vulnerability has been identified in Netatalk versions 2.0.0 through 4.4.2, stemming from unbounded reallocation during charset conversion. This issue allows the destination buffer to be doubled in size repeatedly without an upper limit, creating a potential memory pressure problem. While ordinary Apple Filing Protocol (AFP) path and string limits make practical exploitation unlikely, this behavior raises concerns about hardening against denial-of-service conditions.
Users can upgrade to Netatalk version 4.5.0 or later, which includes the necessary patch. For those using Netatalk 4.4.2, the patch can be applied manually. The Netatalk team advises against proactively applying the patch to existing deployments due to the low likelihood of practical exploitation.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 21, 2026CISA-ADP
Assessed May 21, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://netatalk.io/security/CVE-2026-44070 | securin | AdvisoryRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-770 | Allocation of Resources Without Limits or Throttling | securin |
Affected Products
| Product | Versions |
|---|---|
| Netatalk | >= 2.0.0, <= 4.4.2 (semver) |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | securin |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 21, 2026 | CVE Modified | securin |
| May 21, 2026 | New CVE Received | securin |