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CVE-2026-0639

MEDIUM CVSS 3.1: 5.5 EPSS 0.01%
Updated Mar 17, 2026
Openatom
Parameter Value
CVSS 5.5 (MEDIUM)
Affected Versions 5.0.3 — 6.0
Type CWE-401 (Memory Leak)
Vendor Openatom
Public PoC No

in OpenHarmony v6.0 and prior versions allow a local attacker case DOS through missing release of memory.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Openatom Openharmony
cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*
5.0.3 <= 6.0