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TI-2007-03199 Aliases CVE-2007-3304GHSA-f63r-c37x-f6mg

Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to…

Priority LOW 28Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · None · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

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."

Why it matters now

EPSS 0.03298 88th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 9 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*1.3.0 to before 1.3.39; 2.0.0 to before 2.0.61; 2.2.0 to before 2.2.6VulnerableApache
cpe:2.3:o:fedoraproject:fedora:7:*:*:*:*:*:*:*7VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*6.06VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:*6.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*7.04VulnerableCanonical
  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 1.3.0 to before 1.3.39; 2.0.0 to before 2.0.61; 2.2.0 to before 2.2.6 Vulnerable ·Apache
  • cpe:2.3:o:fedoraproject:fedora:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:* Versions 7.04 Vulnerable ·Canonical

Remediation

Red Hat 9 advisories

  • RHSA-2010:0602 Released 2010-08-04 · Red Hat rating Moderate
    Red Hat Certificate System 7.3 security update
    • Red Hat Certificate System 7.3 for 4AS ant-1.6.5-1jpp_1rh, avalon-logkit-1.2-2jpp_4rh, axis-1.2.1-1jpp_3rh +39
    • Red Hat Certificate System 7.3 for 4ES ant-1.6.5-1jpp_1rh, avalon-logkit-1.2-2jpp_4rh, axis-1.2.1-1jpp_3rh +39
  • RHSA-2008:0524 Released 2008-06-30 · Red Hat rating Low
    Red Hat Network Satellite Server security update
    • Red Hat Satellite v 4.2 (RHEL v.3 AS) jabberd-2.0s10-3.37.rhn.i386, java-1.4.2-ibm-1.4.2.10-1jpp.2.el3.i386, java-1.4.2-ibm-devel-1.4.2.10-1jpp.2.el3.i386 +8
    • Red Hat Satellite v 4.2 (RHEL v.4 AS) jabberd-2.0s10-3.38.rhn.i386, java-1.4.2-ibm-1.4.2.10-1jpp.2.el4.i386, java-1.4.2-ibm-devel-1.4.2.10-1jpp.2.el4.i386 +8
  • RHSA-2008:0523 Released 2008-06-30 · Red Hat rating Low
    Red Hat Network Proxy Server security update
    • Red Hat Satellite Proxy v 4.2 (RHEL v.3 AS) jabberd-2.0s10-3.37.rhn.i386, rhn-apache-1.3.27-36.rhn.rhel3.i386, rhn-modperl-1.29-16.rhel3.i386
    • Red Hat Satellite Proxy v 4.2 (RHEL v.4 AS) jabberd-2.0s10-3.38.rhn.i386, rhn-apache-1.3.27-36.rhn.rhel4.i386, rhn-modperl-1.29-16.rhel4.i386
Show 6 more Red Hat advisories
  • RHSA-2008:0263 Released 2008-05-20 · Red Hat rating Low
    Red Hat Network Proxy Server security update
    • Red Hat Satellite Proxy v 5.0 (RHEL v.4 AS) jabberd-2.0s10-3.38.rhn.i386, rhn-apache-1.3.27-36.rhn.rhel4.i386, rhn-modperl-1.29-16.rhel4.i386
  • RHSA-2008:0261 Released 2008-05-20 · Red Hat rating Moderate
    Red Hat Network Satellite Server security update
    • Red Hat Satellite 5.0 (RHEL v.4 AS) jabberd-2.0s10-3.38.rhn.i386, java-1.4.2-ibm-1.4.2.10-1jpp.2.el4.i386, java-1.4.2-ibm-devel-1.4.2.10-1jpp.2.el4.i386 +8
  • RHSA-2007:0662 Released 2007-07-13 · Red Hat rating Moderate
    httpd security update
    • Red Hat Desktop version 3 httpd-2.0.46-68.ent, httpd-2.0.46-68.ent.i386, httpd-devel-2.0.46-68.ent +3
    • Red Hat Enterprise Linux AS version 3 httpd-2.0.46-68.ent, httpd-2.0.46-68.ent.i386, httpd-2.0.46-68.ent.ia64 +9
    • Red Hat Enterprise Linux AS version 4 httpd-2.0.52-32.3.ent, httpd-2.0.52-32.3.ent.i386, httpd-2.0.52-32.3.ent.ia64 +17
    • Red Hat Enterprise Linux Desktop version 4 httpd-2.0.52-32.3.ent, httpd-2.0.52-32.3.ent.i386, httpd-devel-2.0.52-32.3.ent +7
    • Red Hat Enterprise Linux ES version 3 httpd-2.0.46-68.ent, httpd-2.0.46-68.ent.i386, httpd-2.0.46-68.ent.ia64 +6
    • Red Hat Enterprise Linux ES version 4 httpd-2.0.52-32.3.ent, httpd-2.0.52-32.3.ent.i386, httpd-2.0.52-32.3.ent.ia64 +12
    • Red Hat Enterprise Linux WS version 3 httpd-2.0.46-68.ent, httpd-2.0.46-68.ent.i386, httpd-2.0.46-68.ent.ia64 +6
    • Red Hat Enterprise Linux WS version 4 httpd-2.0.52-32.3.ent, httpd-2.0.52-32.3.ent.i386, httpd-2.0.52-32.3.ent.ia64 +12
  • RHSA-2007:0557 Released 2007-07-13 · Red Hat rating Moderate
    httpd security update
    • Red Hat Application Stack v1 for Enterprise Linux AS (v.4) httpd-2.0.59-1.el4s1.7, httpd-2.0.59-1.el4s1.7.i386, httpd-devel-2.0.59-1.el4s1.7 +5
    • Red Hat Application Stack v1 for Enterprise Linux ES (v.4) httpd-2.0.59-1.el4s1.7, httpd-2.0.59-1.el4s1.7.i386, httpd-devel-2.0.59-1.el4s1.7 +5
  • RHSA-2007:0556 Released 2007-06-26 · Red Hat rating Moderate
    httpd security update
    • Red Hat Enterprise Linux (v. 5 server) httpd-2.2.3-7.el5, httpd-2.2.3-7.el5.i386, httpd-2.2.3-7.el5.ia64 +13
    • Red Hat Enterprise Linux Desktop (v. 5 client) httpd-2.2.3-7.el5, httpd-2.2.3-7.el5.i386, mod_ssl-1:2.2.3-7.el5 +1
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) httpd-2.2.3-7.el5, httpd-devel-2.2.3-7.el5, httpd-devel-2.2.3-7.el5.i386 +2
  • RHSA-2007:0532 Released 2007-06-26 · Red Hat rating Moderate
    apache security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 apache-1.3.27-12.ent, apache-1.3.27-12.ent.i386, apache-1.3.27-12.ent.ia64 +4
    • Red Hat Enterprise Linux ES version 2.1 apache-1.3.27-12.ent, apache-1.3.27-12.ent.i386, apache-devel-1.3.27-12.ent.i386 +1
    • Red Hat Enterprise Linux WS version 2.1 apache-1.3.27-12.ent, apache-1.3.27-12.ent.i386, apache-devel-1.3.27-12.ent.i386 +1
    • Red Hat Linux Advanced Workstation 2.1 apache-1.3.27-12.ent, apache-1.3.27-12.ent.ia64, apache-devel-1.3.27-12.ent.ia64 +1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Application Stack v1 for Enterprise Linux AS (v.4)Fixed RHSA-2007:0557
Red Hat Application Stack v1 for Enterprise Linux ES (v.4)Fixed RHSA-2007:0557
Red Hat Certificate System 7.3 for 4ASFixed RHSA-2010:0602
Red Hat Certificate System 7.3 for 4ESFixed RHSA-2010:0602
Red Hat Desktop version 3Fixed RHSA-2007:0662
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:0556
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2007:0532
Red Hat Enterprise Linux AS version 3Fixed RHSA-2007:0662
Red Hat Enterprise Linux AS version 4Fixed RHSA-2007:0662
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:0556
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2007:0556
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2007:0662
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2007:0532
Red Hat Enterprise Linux ES version 3Fixed RHSA-2007:0662
Red Hat Enterprise Linux ES version 4Fixed RHSA-2007:0662
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2007:0532
Red Hat Enterprise Linux WS version 3Fixed RHSA-2007:0662
Red Hat Enterprise Linux WS version 4Fixed RHSA-2007:0662
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2007:0532
Red Hat Satellite 5.0 (RHEL v.4 AS)Fixed RHSA-2008:0261
Red Hat Satellite Proxy v 4.2 (RHEL v.3 AS)Fixed RHSA-2008:0523
Red Hat Satellite Proxy v 4.2 (RHEL v.4 AS)Fixed RHSA-2008:0523
Red Hat Satellite Proxy v 5.0 (RHEL v.4 AS)Fixed RHSA-2008:0263
Red Hat Satellite v 4.2 (RHEL v.3 AS)Fixed RHSA-2008:0524
Red Hat Satellite v 4.2 (RHEL v.4 AS)Fixed RHSA-2008:0524

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-3304
  2. 2026-10-03 Alias added: GHSA-f63r-c37x-f6mg

References

Exploit 1

Advisory 31

Other 33

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences