CVE-2026-44049

Publication date 21 May 2026

Last updated 9 June 2026

Ubuntu priority

Cvss 3 Severity Score

Description

An out-of-bounds write due to improper null termination 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 via crafted character data.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
netatalk	26.04 LTS resolute	Fixed 4.2.3~ds-2.1ubuntu0.1
	25.10 questing	Vulnerable
	24.04 LTS noble	Fixed 3.1.18~ds-1ubuntu0.1~esm2
	22.04 LTS jammy	Fixed 3.1.12~ds-9ubuntu0.22.04.4+esm1
	20.04 LTS focal	Fixed 3.1.12~ds-4ubuntu0.20.04.4+esm1
	18.04 LTS bionic	Fixed 2.2.6-1ubuntu0.18.04.2+esm3
	14.04 LTS trusty	Fixed 2.2.2-1ubuntu2.2+esm3

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
netatalk	Upstream: https://netatalk.io/security/CVE-2026-44049.patch

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-8395-1
Netatalk vulnerabilities
8 June 2026