CVE-2002-1496

CVE-2002-1496 is a high-severity vulnerability in Nulllogic Null Httpd with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.

Frequently asked questions

What is CVE-2002-1496?
Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.
How severe is CVE-2002-1496?
CVE-2002-1496 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-1496 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1496?
CVE-2002-1496 affects Nulllogic Null Httpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-1496?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2002-1496 published?
CVE-2002-1496 was published on 2003-04-02 and last updated on 2026-06-16.

References

Affected products (1)

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