httpd: possible crash on shutdown due to flaw in scoreboard handling
Published Jan 18, 2012
4.6
MEDIUMCVSS 2.0
EPSS 2.80%
Description
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.
Affected products
No data.
Configuration 1
- ≥ 2.0.0 · < 2.0.65
- ≥ 2.2.0 · < 2.2.22
Configuration 2
- 5.0
- 6.0
- 7.0
Configuration 3
- 11.4
- 10
- 10
Configuration 4
- 1.0.0
Running on/with
- 5.0
- 6.0
Configuration 5
- 2.0
- 6.0
- 6.2
- 6.0
- 6.2
- 6.0
No data.
Red Hat Enterprise Linux 5
httpd-0:2.2.3-63.el5_8.1
Fixed · RHSA-2012:0323
Red Hat Enterprise Linux 6
httpd-0:2.2.15-15.el6_2.1
Fixed · RHSA-2012:0128
Red Hat JBoss Enterprise Web Server 1 for RHEL 5
httpd-0:2.2.17-15.4.ep5.el5
Fixed · RHSA-2012:0542
Red Hat JBoss Enterprise Web Server 1 for RHEL 6
httpd-0:2.2.17-15.4.ep5.el6
Fixed · RHSA-2012:0542
Red Hat JBoss Web Server 1.0
n/a
Fixed · RHSA-2012:0543
Red Hat Enterprise Linux 4
httpd
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | httpd-0:2.2.3-63.el5_8.1 | Fixed | RHSA-2012:0323 |
| Red Hat Enterprise Linux 6 | httpd-0:2.2.15-15.el6_2.1 | Fixed | RHSA-2012:0128 |
| Red Hat JBoss Enterprise Web Server 1 for RHEL 5 | httpd-0:2.2.17-15.4.ep5.el5 | Fixed | RHSA-2012:0542 |
| Red Hat JBoss Enterprise Web Server 1 for RHEL 6 | httpd-0:2.2.17-15.4.ep5.el6 | Fixed | RHSA-2012:0542 |
| Red Hat JBoss Web Server 1.0 | n/a | Fixed | RHSA-2012:0543 |
| Red Hat Enterprise Linux 4 | httpd | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.80% (0.02799) | 85.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.90% (0.02905) | 85.11th | v5 (v2026.06.15) |
| May 7, 2026 | 1.04% (0.01044) | 77.59th | v4 (v2025.03.14) |
| Sep 4, 2025 | 2.05% (0.02051) | 83.18th | v4 (v2025.03.14) |
| Sep 1, 2025 | 0.76% (0.00760) | 72.50th | v4 (v2025.03.14) |
| Aug 4, 2025 | 2.05% (0.02051) | 83.14th | v4 (v2025.03.14) |
| Aug 1, 2025 | 0.76% (0.00760) | 72.47th | v4 (v2025.03.14) |
| Jul 30, 2025 | 2.05% (0.02051) | 83.13th | v4 (v2025.03.14) |
| May 1, 2025 | 0.95% (0.00952) | 75.25th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.01% (0.02012) | 82.11th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.48% (0.04478) | 81.46th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.01% (0.02012) | 82.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 0.34th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.04% (0.00043) | 8.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00054) | 19.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.53% (0.12531) | 95.36th | v2 (v2022.01.01) |
| Apr 3, 2022 | 12.53% (0.12531) | 95.00th | v2 (v2022.01.01) |
| Apr 1, 2022 | 13.56% (0.13563) | 95.40th | v2 (v2022.01.01) |
| Feb 4, 2022 | 13.56% (0.13563) | 90.66th | v2 (v2022.01.01) |
No CWE recorded.
References (44)
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 vendor-advisoryx_refsource_HPBroken Link
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html vendor-advisoryx_refsource_APPLEBroken LinkMailing List
- http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00026.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00002.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=133294460209056&w=2 vendor-advisoryx_refsource_HPIssue TrackingMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=133494237717847&w=2 vendor-advisoryx_refsource_HPIssue TrackingMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=134987041210674&w=2 vendor-advisoryx_refsource_HPIssue TrackingMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0128.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0542.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0543.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/47410 third-party-advisoryx_refsource_SECUNIANot ApplicableVendor Advisory
- http://secunia.com/advisories/48551 third-party-advisoryx_refsource_SECUNIANot Applicable
- http://support.apple.com/kb/HT5501 x_refsource_CONFIRMThird Party Advisory
- http://svn.apache.org/viewvc?view=revision&revision=1230065 x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2012/dsa-2405 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.halfdog.net/Security/2011/ApacheScoreboardInvalidFreeOnShutdown/ x_refsource_MISCExploitThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:012 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/51407 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2012-0031 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=773744 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2012-0031
- https://www.cve.org/CVERecord?id=CVE-2012-0031
Change history (0)
No recorded changes yet.