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Fencer Vulns
medium 4.7

CVE-2007-3304 json

Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker…

published 2007-06-20 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3294

cvss
4.7
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker_score and process_score arrays to reference an arbitrary process ID, which is sent a SIGUSR1 signal from the master process, aka "SIGUSR1 killer."

Patch / fix

  • apache http_server 1.3.39, 2.0.61, 2.2.6
  • apache2 Debian 14, Debian 13, Debian 12 2.2.4-2

debian advisories DEBIAN-CVE-2007-3304

  • ant certificate system 7.3 1.6.5-1jpp_1rh
  • axis certificate system 7.3 1.2.1-1jpp_3rh
  • mx4j certificate system 7.3 1:3.0.1-1jpp_4rh
  • log4j certificate system 7.3 1.2.12-1jpp_1rh
  • tomcat5 certificate system 7.3 5.5.23-0jpp_4rh.16
  • rhpki-ca certificate system 7.3 7.3.0-20.el4
  • pcsc-lite certificate system 7.3 1.3.3-3.el4
  • rhpki-kra certificate system 7.3 7.3.0-14.el4

red hat advisories RHSA-2010:0602RHSA-2008:0524RHSA-2008:0523RHSA-2008:0263RHSA-2008:0261RHSA-2007:0557

  • apache2 openSUSE Tumbleweed 2.4.49-1.1

opensuse advisories openSUSE-SU-2024:10623-1

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-2007-3304 updated

httpd scoreboard lack of PID protection

  • Red Hat Application Stack v1 for Enterprise Linux AS (v.4) httpd 2.0.59-1.el4s1.7, mod_ssl 2.0.59-1.el4s1.7, httpd-manual 2.0.59-1.el4s1.7 Red Hat Application Stack v1 for Enterprise Linux ES (v.4) httpd 2.0.59-1.el4s1.7, mod_ssl 2.0.59-1.el4s1.7, httpd-manual 2.0.59-1.el4s1.7
    fixed: vendor fix RHSA-2007:0557
  • Red Hat Certificate System 7.3 for 4AS ant 1.6.5-1jpp_1rh, axis 1.2.1-1jpp_3rh, mx4j 3.0.1-1jpp_4rh, log4j 1.2.12-1jpp_1rh, pcsc-lite 1.3.3-3.el4, rhpki-ca 7.3.0-20.el4, +31 more Red Hat Certificate System 7.3 for 4ES ant 1.6.5-1jpp_1rh, axis 1.2.1-1jpp_3rh, mx4j 3.0.1-1jpp_4rh, log4j 1.2.12-1jpp_1rh, pcsc-lite 1.3.3-3.el4, rhpki-ca 7.3.0-20.el4, +31 more
    fixed: vendor fix RHSA-2010:0602
  • Red Hat Desktop version 3 httpd 2.0.46-68.ent, mod_ssl 2.0.46-68.ent
    fixed: vendor fix RHSA-2007:0662
  • Red Hat Enterprise Linux (v. 5 server) httpd 2.2.3-7.el5, mod_ssl 2.2.3-7.el5, httpd-manual 2.2.3-7.el5
    fixed: vendor fix RHSA-2007:0556
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 apache 1.3.27-12.ent, apache-manual 1.3.27-12.ent
    fixed: vendor fix RHSA-2007:0532
  • Red Hat Enterprise Linux AS version 3 httpd 2.0.46-68.ent, mod_ssl 2.0.46-68.ent Red Hat Enterprise Linux AS version 4 httpd 2.0.52-32.3.ent, mod_ssl 2.0.52-32.3.ent, httpd-manual 2.0.52-32.3.ent, httpd-suexec 2.0.52-32.3.ent
    fixed: vendor fix RHSA-2007:0662
  • Red Hat Enterprise Linux Desktop (v. 5 client) httpd 2.2.3-7.el5, mod_ssl 2.2.3-7.el5, httpd-manual 2.2.3-7.el5
    fixed: vendor fix RHSA-2007:0556
  • Red Hat Enterprise Linux Desktop version 4 httpd 2.0.52-32.3.ent, mod_ssl 2.0.52-32.3.ent, httpd-manual 2.0.52-32.3.ent, httpd-suexec 2.0.52-32.3.ent
    fixed: vendor fix RHSA-2007:0662
show 10 more
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) httpd 2.2.3-7.el5, mod_ssl 2.2.3-7.el5, httpd-manual 2.2.3-7.el5
    fixed: vendor fix RHSA-2007:0556
  • Red Hat Enterprise Linux ES version 2.1 apache 1.3.27-12.ent, apache-manual 1.3.27-12.ent
    fixed: vendor fix RHSA-2007:0532
  • Red Hat Enterprise Linux ES version 3 httpd 2.0.46-68.ent, mod_ssl 2.0.46-68.ent Red Hat Enterprise Linux ES version 4 httpd 2.0.52-32.3.ent, mod_ssl 2.0.52-32.3.ent, httpd-manual 2.0.52-32.3.ent, httpd-suexec 2.0.52-32.3.ent
    fixed: vendor fix RHSA-2007:0662
  • Red Hat Enterprise Linux WS version 2.1 apache 1.3.27-12.ent, apache-manual 1.3.27-12.ent
    fixed: vendor fix RHSA-2007:0532
  • Red Hat Enterprise Linux WS version 3 httpd 2.0.46-68.ent, mod_ssl 2.0.46-68.ent Red Hat Enterprise Linux WS version 4 httpd 2.0.52-32.3.ent, mod_ssl 2.0.52-32.3.ent, httpd-manual 2.0.52-32.3.ent, httpd-suexec 2.0.52-32.3.ent
    fixed: vendor fix RHSA-2007:0662
  • Red Hat Linux Advanced Workstation 2.1 apache 1.3.27-12.ent, apache-manual 1.3.27-12.ent
    fixed: vendor fix RHSA-2007:0532
  • Red Hat Satellite 5.0 (RHEL v.4 AS) jabberd 2.0s10-3.38.rhn, jfreechart 0.9.20-3.rhn, tomcat5 5.0.30-0jpp_10rh, perl-Crypt-CBC 2.24-1.el4, rhn-modperl 1.29-16.rhel4, openmotif21 2.1.30-11.RHEL4.6, +4 more
    fixed: vendor fix RHSA-2008:0261
  • Red Hat Satellite Proxy v 4.2 (RHEL v.3 AS) jabberd 2.0s10-3.37.rhn, rhn-modperl 1.29-16.rhel3, rhn-apache 1.3.27-36.rhn.rhel3 Red Hat Satellite Proxy v 4.2 (RHEL v.4 AS) jabberd 2.0s10-3.38.rhn, rhn-modperl 1.29-16.rhel4, rhn-apache 1.3.27-36.rhn.rhel4
    fixed: vendor fix RHSA-2008:0523
  • Red Hat Satellite Proxy v 5.0 (RHEL v.4 AS) jabberd 2.0s10-3.38.rhn, rhn-modperl 1.29-16.rhel4, rhn-apache 1.3.27-36.rhn.rhel4
    fixed: vendor fix RHSA-2008:0263
  • Red Hat Satellite v 4.2 (RHEL v.3 AS) jabberd 2.0s10-3.37.rhn, jfreechart 0.9.20-3.rhn, tomcat5 5.0.30-0jpp_10rh, perl-Crypt-CBC 2.24-1.el3, rhn-modperl 1.29-16.rhel3, openmotif21 2.1.30-9.RHEL3.8, +4 more Red Hat Satellite v 4.2 (RHEL v.4 AS) jabberd 2.0s10-3.38.rhn, jfreechart 0.9.20-3.rhn, tomcat5 5.0.30-0jpp_10rh, perl-Crypt-CBC 2.24-1.el4, rhn-modperl 1.29-16.rhel4, openmotif21 2.1.30-11.RHEL4.6, +4 more
    fixed: vendor fix RHSA-2008:0524

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

3.30% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securityreason.com http://securityreason.com/securityalert/2814 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.7 AV:L/AC:M/Au:N/C:N/I:N/A:C

Classification

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.