Null pointer dereference vulnerability in the PDF preview module Impact: Successful exploitation of this vulnerability may affect function…

published 2025-07-07 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-20163

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

Null pointer dereference vulnerability in the PDF preview module Impact: Successful exploitation of this vulnerability may affect function stability.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-07-07)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Huawei HarmonyOS

Classification

Weakness

CWE-122 Heap-based Buffer Overflow
CWE-476 NULL Pointer Dereference

References

consumer.huawei.com /en/support/bulletin/2025/7/
vendor-advisory

Sources

CVE List CVE-2025-53181
NVD CVE-2025-53181

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Summary