Bug 2480367 (CVE-2026-44073)

Summary: CVE-2026-44073 netatalk: Netatalk: Security bypass due to ignored seteuid failure in authentication modules
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Netatalk. A remote attacker with low privileges could exploit a vulnerability where the `seteuid` system call failure is ignored within authentication modules. This oversight may allow the attacker to perform unauthorized actions, leading to a low impact on confidentiality, integrity, and availability of the system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2480468, 2480469    
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Description OSIDB Bzimport 2026-05-21 08:02:02 UTC
In Netatalk 1.5.0 through 4.4.2, seteuid failure ignored in auth modules. Fixed in 4.5.0.