The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memory exhaustion), and possibly an integer signedness error leading to a heap-based buffer overflow on 64 bit systems, via long header lines with large numbers of space or tab characters.
Published 2004-08-06 04:00:00
Updated 2021-06-06 11:15:13
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Threat overview for CVE-2004-0493

Top countries where our scanners detected CVE-2004-0493
Top open port discovered on systems with this issue 80
IPs affected by CVE-2004-0493 4,469
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2004-0493!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2004-0493

Probability of exploitation activity in the next 30 days: 96.23%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2004-0493

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.4
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:P
10.0
4.9
NIST

Vendor statements for CVE-2004-0493

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