MEDIUM
fcgid_spawn_ctl.c in the mod_fcgid module 2.3.6 for the Apache HTTP Server does not recognize the FcgidMaxProcessesPerClass directive for a virtual host, which makes it easier for remote attackers to cause a denial of service (memory consumption) via a series of HTTP requests that triggers a process count higher than the intended limit
Published Mar 19, 2012
5.0
MEDIUMCVSS 2.0
EPSS 4.81%
Description
fcgid_spawn_ctl.c in the mod_fcgid module 2.3.6 for the Apache HTTP Server does not recognize the FcgidMaxProcessesPerClass directive for a virtual host, which makes it easier for remote attackers to cause a denial of service (memory consumption) via a series of HTTP requests that triggers a process count higher than the intended limit.
Affected products
No data.
AND
Running on/with
- 2.3.6
No data.
No Red Hat product state for this CVE.
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.81% 0.04810
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.04810
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 (35 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 4.81% (0.04810) | 91.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.86% (0.04864) | 90.88th | v5 (v2026.06.15) |
| Mar 4, 2026 | 9.73% (0.09726) | 92.80th | v4 (v2025.03.14) |
| Mar 1, 2026 | 1.91% (0.01909) | 83.08th | v4 (v2025.03.14) |
| Feb 4, 2026 | 9.73% (0.09726) | 92.73th | v4 (v2025.03.14) |
| Feb 1, 2026 | 1.91% (0.01909) | 82.95th | v4 (v2025.03.14) |
| Jan 4, 2026 | 9.73% (0.09726) | 92.67th | v4 (v2025.03.14) |
| Jan 1, 2026 | 1.91% (0.01909) | 82.90th | v4 (v2025.03.14) |
| Dec 4, 2025 | 9.73% (0.09726) | 92.63th | v4 (v2025.03.14) |
| Dec 1, 2025 | 1.91% (0.01909) | 82.78th | v4 (v2025.03.14) |
| Nov 4, 2025 | 9.73% (0.09726) | 92.58th | v4 (v2025.03.14) |
| Nov 1, 2025 | 1.91% (0.01909) | 82.75th | v4 (v2025.03.14) |
| Oct 4, 2025 | 9.73% (0.09726) | 92.63th | v4 (v2025.03.14) |
| Oct 1, 2025 | 1.91% (0.01909) | 82.69th | v4 (v2025.03.14) |
| Sep 5, 2025 | 9.73% (0.09726) | 92.64th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.64% (0.01643) | 81.32th | v4 (v2025.03.14) |
| Aug 6, 2025 | 9.73% (0.09726) | 92.60th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.64% (0.01643) | 81.30th | v4 (v2025.03.14) |
| Jul 4, 2025 | 9.73% (0.09726) | 92.57th | v4 (v2025.03.14) |
| Jul 1, 2025 | 1.91% (0.01909) | 82.51th | v4 (v2025.03.14) |
| Jun 4, 2025 | 9.73% (0.09726) | 92.51th | v4 (v2025.03.14) |
| Jun 1, 2025 | 1.91% (0.01909) | 82.43th | v4 (v2025.03.14) |
| May 4, 2025 | 9.73% (0.09726) | 92.48th | v4 (v2025.03.14) |
| May 1, 2025 | 1.91% (0.01909) | 82.34th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.73% (0.09726) | 92.18th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.13% (0.02130) | 73.61th | v4 (v2025.03.14) |
| Mar 22, 2025 | 9.73% (0.09726) | 92.28th | v4 (v2025.03.14) |
| Mar 21, 2025 | 1.91% (0.01909) | 81.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.73% (0.09726) | 92.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.15% (0.01154) | 85.49th | v3 (v2023.03.01) |
| Apr 13, 2024 | 1.15% (0.01154) | 84.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.15% (0.01154) | 82.62th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.07% (0.02072) | 79.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.07% (0.02072) | 77.99th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.07% (0.02072) | 56.68th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615814 x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2436 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2012/03/15/10 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/03/16/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/52565 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74181 vdb-entryx_refsource_XF
- https://issues.apache.org/bugzilla/show_bug.cgi?id=49902 x_refsource_CONFIRMPatch
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615814 | x_refsource_CONFIRM | |
| http://www.debian.org/security/2012/dsa-2436 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2012/03/15/10 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2012/03/16/2 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/52565 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/74181 | vdb-entryx_refsource_XF | |
| https://issues.apache.org/bugzilla/show_bug.cgi?id=49902 | x_refsource_CONFIRMPatch |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Mar 19, 2012
Updated Aug 6, 2024
Reserved Feb 14, 2012
Link CVE-2012-1181
CISA Vulnrichment
Updated n/a