scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Partial Red Hat: 12 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an invalid call to the free function.
Why it matters now
EPSS 0.02799 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 12 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | 2.0.0 to before 2.0.65; 2.2.0 to before 2.2.22 | Vulnerable | Apache |
| cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:a:redhat:jboss_enterprise_web_server:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | 5.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Running on | Red Hat |
- cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.0.65; 2.2.0 to before 2.2.22 Vulnerable ·Apache
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:* Versions 10 sp4 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
- cpe:2.3:a:redhat:jboss_enterprise_web_server:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:storage:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:6.2:*:*:*:*:*:*:* | 6.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:6.2:*:*:*:*:*:*:* | 6.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:storage:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:6.2:*:*:*:*:*:*:* Versions 6.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.2:*:*:*:*:*:*:* Versions 6.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Remediation
Red Hat 4 advisories
- RHSA-2012:0543 Released 2012-05-07 · Red Hat rating Moderatehttpd security and bug fix update
- Red Hat JBoss Web Server 1.0
- RHSA-2012:0542 Released 2012-05-07 · Red Hat rating Moderatehttpd security and bug fix update
- Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server httpd-2.2.17-15.4.ep5.el5, httpd-2.2.17-15.4.ep5.el5.i386, httpd-devel-2.2.17-15.4.ep5.el5 +5
- Red Hat JBoss Enterprise Web Server 1 for RHEL 6 Server httpd-2.2.17-15.4.ep5.el6, httpd-2.2.17-15.4.ep5.el6.i386, httpd-devel-2.2.17-15.4.ep5.el6 +7
- RHSA-2012:0323 Released 2012-02-21 · Red Hat rating Moderatehttpd security update
- RHEL Desktop Workstation (v. 5 client) httpd-2.2.3-63.el5_8.1, httpd-devel-2.2.3-63.el5_8.1, httpd-devel-2.2.3-63.el5_8.1.i386 +2
- Red Hat Enterprise Linux (v. 5 server) httpd-2.2.3-63.el5_8.1, httpd-2.2.3-63.el5_8.1.i386, httpd-2.2.3-63.el5_8.1.ia64 +13
- Red Hat Enterprise Linux Desktop (v. 5 client) httpd-2.2.3-63.el5_8.1, httpd-2.2.3-63.el5_8.1.i386, mod_ssl-1:2.2.3-63.el5_8.1 +1
Show 1 more Red Hat advisories
- RHSA-2012:0128 Released 2012-02-13 · Red Hat rating Moderatehttpd security update
- Red Hat Enterprise Linux Desktop (v. 6) httpd-2.2.15-15.el6_2.1, httpd-tools-2.2.15-15.el6_2.1
- Red Hat Enterprise Linux Desktop Optional (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-manual-2.2.15-15.el6_2.1 +1
- Red Hat Enterprise Linux HPC Node (v. 6) httpd-2.2.15-15.el6_2.1, httpd-tools-2.2.15-15.el6_2.1
- Red Hat Enterprise Linux HPC Node Optional (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-manual-2.2.15-15.el6_2.1 +1
- Red Hat Enterprise Linux Server (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1.ppc +3
- Red Hat Enterprise Linux Workstation (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-manual-2.2.15-15.el6_2.1 +2
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2012:0323 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0323 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0323 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server | Fixed | RHSA-2012:0542 |
| Red Hat JBoss Enterprise Web Server 1 for RHEL 6 Server | Fixed | RHSA-2012:0542 |
| Red Hat JBoss Web Server 1.0 | Fixed | RHSA-2012:0543 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0031
- 2026-10-03 Alias added: GHSA-9mf5-9fjr-xvhw
References
Advisory 17
- HPSBMU02786
- SSRT100966
- MDVSA-2012:012
- RHSA-2012:0543
- http://svn.apache.org/viewvc?view=revision&revision=1230065
- SSRT100772
- RHSA-2012:0128
- RHSA-2012:0542
- APPLE-SA-2012-09-19-2
- http://support.apple.com/kb/HT5501
- http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
- https://bugzilla.redhat.com/show_bug.cgi?id=773744
- HPSBUX02761
- openSUSE-SU-2012:0314
- MDVSA-2013:150
- DSA-2405
- SUSE-SU-2012:0323
Other 20
- [httpd-cvs] 20190815 svn commit: r1048742 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048743 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058586 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058587 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [8/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/
- [httpd-cvs] 20210330 svn commit: r1888194 [8/13] - /httpd/site/trunk/content/security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [8/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210603 svn commit: r1075360 [1/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075467 [1/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
Sources
- CVE-2012-0031 · CVE Program
- CVE-2012-0031 · NVD
- FIRST EPSS
- GHSA-9mf5-9fjr-xvhw · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0031 · Red Hat security data · CC BY 4.0
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