CVE-2026-44065
Deferred Deferred - Pending Action

Off-by-Two Error in Netatalk papd lp_write()

Publication date: 2026-05-21

Last updated on: 2026-05-21

Assigner: securin

Description
An off-by-two error in lp_write() in papd in Netatalk 2.0.0 through 4.4.2 allows an adjacent network attacker to modify limited data or cause a minor service disruption via crafted print data.

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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-2026-44065
EUVD
EUVD-2026-31213

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
netatalk netatalk From 2.0.0 (inc) to 4.4.2 (inc)
netatalk netatalk 4.5.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-193 A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

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Executive Summary

This vulnerability is an off-by-two error in the papd lp_write() function in Netatalk versions 2.0.0 through 4.4.2. An off-by-two error typically means that the program incorrectly handles data by miscalculating an offset or length by two units, which can lead to unexpected behavior or memory corruption.

The issue was fixed in Netatalk version 4.5.0.

Impact Analysis

The vulnerability has a CVSS v3.1 base score of 4.2, indicating a low to medium severity. It requires adjacent network access (AV:A), high attack complexity (AC:H), no privileges required (PR:N), and no user interaction (UI:N). The scope is unchanged (S:U), with no confidentiality impact (C:N), low integrity impact (I:L), and low availability impact (A:L).

This means an attacker with adjacent network access could exploit this vulnerability to cause limited integrity and availability issues, such as corrupting data or causing partial service disruption.

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