All vulnerabilities

Servers and applications

CVE-2006-3747

Off-by-one error in the ldap scheme handling in the Rewrite module (mod_rewrite) in Apache 1.3 from 1.3.28, 2.0.46 and other versions before 2.0.59, and 2.2, when RewriteEngine is enabled, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted URLs that are not properly handled using certain rewrite rules.

Severity
High 7.6
Published
28 Jul 2006
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
1.3.37, 2.0.59, 2.2.3
Exploit chance
97% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
Attack
Over the network · Only under certain conditions · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 1.3.28 before 1.3.37
  • From 2.0.46 before 2.0.59
  • From 2.2.0 before 2.2.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2006-3747
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2006-3747