UpHeron
All vulnerabilities

Servers and applications

CVE-2003-0542

Multiple stack-based buffer overflows in (1) mod_alias and (2) mod_rewrite for Apache before 1.3.29 allow attackers to create configuration files to cause a denial of service (crash) or execute arbitrary code via a regular expression with more than 9 captures.

Severity
High 7.2
Published
3 Nov 2003
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Exploit chance
30% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Needs local access · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.0.47
  • Version 2.0.46
  • Version 2.0.45
  • Version 2.0.44
All 36 release lines
  • Version 1.3
  • Version 1.3.1
  • Version 1.3.3
  • Version 1.3.4
  • Version 1.3.6
  • Version 1.3.9
  • Version 1.3.11
  • Version 1.3.12
  • Version 1.3.14
  • Version 1.3.17
  • Version 1.3.18
  • Version 1.3.19
  • Version 1.3.20
  • Version 1.3.22
  • Version 1.3.23
  • Version 1.3.24
  • Version 1.3.25
  • Version 1.3.26
  • Version 1.3.27
  • Version 1.3.28
  • Version 2.0
  • Version 2.0.28
  • Version 2.0.32
  • Version 2.0.35
  • Version 2.0.36
  • Version 2.0.37
  • Version 2.0.38
  • Version 2.0.39
  • Version 2.0.40
  • Version 2.0.41
  • Version 2.0.42
  • Version 2.0.43
  • Version 2.0.44
  • Version 2.0.45
  • Version 2.0.46
  • Version 2.0.47

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2003-0542
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2003-0542