UpHeron
All vulnerabilities

Servers and applications

CVE-2004-0493

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.

Severity
Medium 6.4
Published
6 Aug 2004
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Exploit chance
85% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.0.47
  • Version 2.0.48
  • Version 2.0.49

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2004-0493
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2004-0493