What is CVE-2025-70099?

CVE-2025-70099 is a high-severity vulnerability in N/a, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-06-01.

How severe is CVE-2025-70099?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in N/a

CVE-2025-70099

A NULL pointer dereference in the ext4_dir_en_get_name_len function in include/ext4_dir.h of lwext4 1.0.0 allows attackers to cause a denial of service by supplying a specially crafted EXT4 filesystem image with malformed directory entries…

EPSS: 0.000 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2025-70099?: CVE-2025-70099 is a high-severity vulnerability in N/a, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-06-01.
How severe is CVE-2025-70099?: High severity. CVSS v3 base score is 7.5 out of 10.