CVE-2025-66324
Input verification vulnerability in the compression and decompression module. Impact: Successful...
Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.
- Record
CVE-2025-66324- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2025-201679
Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.
- Record
EUVD-2025-201679- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xcgv-6w5p-rwwh
Input verification vulnerability in the compression and decompression module. Impact: Successful...
Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.
- Record
GHSA-xcgv-6w5p-rwwh- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.
- Record
CVE-2025-66324- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-66324 is a high vulnerability (CVSS 8.4) in Huawei Harmonyos, published December 8, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.09%, the 0th percentile. No source names a fixed version.