What is CVE-2026-0639?

CVE-2026-0639 is a low-severity vulnerability in Openharmony, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2026-03-16.

How severe is CVE-2026-0639?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Openharmony

CVE-2026-0639

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

EPSS: 0.000 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Openharmony — versions v5.0.3

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

gitcode.com/openharmony/security/tree/master/zh/security-disclosure/2026/2026-0…

Frequently asked questions

What is CVE-2026-0639?: CVE-2026-0639 is a low-severity vulnerability in Openharmony, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2026-03-16.
How severe is CVE-2026-0639?: Low severity. CVSS v3 base score is 3.3 out of 10.