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Fencer Vulns
high 7.2

CVE-2003-0542 in the critical feed json

Multiple stack-based buffer overflows in (1) mod_alias and (2) mod_rewrite for Apache before 1.3.29 allow attackers to create configuration…

published 2003-10-30 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0536

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
30.4%
EPSS 30.4% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Patch / fix

  • apache2 Debian 14, Debian 13, Debian 12 2.0.48

debian advisories DEBIAN-CVE-2003-0542

  • httpd RHEL 3 2.0.46-26.ent
  • mod_ssl RHEL 3 1:2.0.46-26.ent

red hat advisories RHSA-2004:015

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2003-0542 updated

security flaw

  • Red Hat Desktop version 3 httpd 2.0.46-26.ent, mod_ssl 2.0.46-26.ent Red Hat Enterprise Linux AS version 3 httpd 2.0.46-26.ent, mod_ssl 2.0.46-26.ent
    fixed: vendor fix RHSA-2004:015
  • Red Hat Enterprise Linux ES version 2.1
    fixed: vendor fix RHSA-2003:360
  • Red Hat Enterprise Linux ES version 3 httpd 2.0.46-26.ent, mod_ssl 2.0.46-26.ent
    fixed: vendor fix RHSA-2004:015
  • Red Hat Enterprise Linux WS version 2.1
    fixed: vendor fix RHSA-2003:360
  • Red Hat Enterprise Linux WS version 3 httpd 2.0.46-26.ent, mod_ssl 2.0.46-26.ent
    fixed: vendor fix RHSA-2004:015
  • Red Hat Linux 7.1 Red Hat Linux 7.2 Red Hat Linux 7.3
    fixed: vendor fix RHSA-2003:405
  • Red Hat Linux 8.0 Red Hat Linux 9
    fixed: vendor fix RHSA-2003:320
  • Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2003:360
show 2 more
  • Red Hat Stronghold 4
    fixed: vendor fix RHSA-2004:139
  • Red Hat Stronghold 4.0 for Red Hat Enterprise Linux AS (version 2.1)
    fixed: vendor fix RHSA-2005:816

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

30.43% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.