EA header parsing heap over-read

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Summary

CVECVE-2026-44067
StatePUBLISHED
Assignersecurin
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-21 08:16:22 UTC
Updated2026-05-21 15:20:19 UTC
DescriptionA heap over-read in extended attribute (EA) header parsing in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to obtain limited information or cause a minor service disruption via crafted EA data.

Risk And Classification

Primary CVSS: v3.1 4.2 MEDIUM from 33c584b5-0579-4c06-b2a0-8d8329fcab9c

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L

EPSS: 0.001250000 probability, percentile 0.312020000 (date 2026-05-27)

Problem Types: CWE-125 | CWE-125 Out-of-bounds Read

VersionSourceTypeScoreSeverityVector
3.133c584b5-0579-4c06-b2a0-8d8329fcab9cSecondary4.2MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L
3.1CNADECLARED3.7LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Netatalk Netatalk affected 2.1.0 4.4.2 semver Not specified
CNA Netatalk Netatalk unaffected 4.5.0 semver Not specified

References

ReferenceSourceLinkTags
netatalk.io/security/CVE-2026-44067 33c584b5-0579-4c06-b2a0-8d8329fcab9c netatalk.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Arjun Basnet from Securin (en)

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