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CWE-476

5,441 CVEs • Abstraction: Base • Likelihood of Exploit: Medium

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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CVEs (5,441)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
CVE-1999-0052
3Bsdi
FreebsdOpenbsd
3Bsd Os
FreebsdOpenbsd
Apr 16, 2026
Nov 4, 1998
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash.