httpd: mod_log_config does not properly handle logging certain cookies resulting in DoS
Published Mar 18, 2014
5.0
MEDIUMCVSS 2.0
EPSS 26.00%
Description
The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server before 2.4.8 allows remote attackers to cause a denial of service (segmentation fault and daemon crash) via a crafted cookie that is not properly handled during truncation.
Affected products
No data.
Configuration 1
- ≥ 2.2.0 · < 2.2.27
- ≥ 2.4.1 · < 2.4.9
Configuration 2
- 10.1.3.5.0
- 11.1.1.7.0
- 12.1.2.0
- 12.1.3.0
- 4.63
- 4.71
- 5.0
- 5.1
Configuration 3
- 10.04
- 12.04
- 12.10
- 13.10
No data.
Red Hat Enterprise Linux 5
httpd-0:2.2.3-85.el5_10
Fixed · RHSA-2014:0369
Red Hat Enterprise Linux 6
httpd-0:2.2.15-30.el6_5
Fixed · RHSA-2014:0370
Red Hat JBoss Enterprise Application Platform 6.2
n/a
Fixed · RHSA-2014:0825
Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 5
httpd-0:2.2.22-27.ep6.el5
Fixed · RHSA-2014:0826
Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 6
httpd-0:2.2.22-27.ep6.el6
Fixed · RHSA-2014:0826
Red Hat JBoss Enterprise Web Server 2 for RHEL 5
httpd-0:2.2.22-27.ep6.el5
Fixed · RHSA-2014:0783
Red Hat JBoss Enterprise Web Server 2 for RHEL 6
httpd-0:2.2.22-27.ep6.el6
Fixed · RHSA-2014:0783
Red Hat JBoss Web Server 2.0
httpd
Fixed · RHSA-2014:0784
Red Hat Directory Server 8
httpd
Not affected
Red Hat Enterprise Linux 7
httpd
Not affected
Red Hat JBoss Enterprise Application Platform 5
httpd
Will not fix
Red Hat JBoss Enterprise Web Server 1
httpd
Will not fix
Red Hat Software Collections
httpd24-httpd
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | httpd-0:2.2.3-85.el5_10 | Fixed | RHSA-2014:0369 |
| Red Hat Enterprise Linux 6 | httpd-0:2.2.15-30.el6_5 | Fixed | RHSA-2014:0370 |
| Red Hat JBoss Enterprise Application Platform 6.2 | n/a | Fixed | RHSA-2014:0825 |
| Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 5 | httpd-0:2.2.22-27.ep6.el5 | Fixed | RHSA-2014:0826 |
| Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 6 | httpd-0:2.2.22-27.ep6.el6 | Fixed | RHSA-2014:0826 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 5 | httpd-0:2.2.22-27.ep6.el5 | Fixed | RHSA-2014:0783 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 6 | httpd-0:2.2.22-27.ep6.el6 | Fixed | RHSA-2014:0783 |
| Red Hat JBoss Web Server 2.0 | httpd | Fixed | RHSA-2014:0784 |
| Red Hat Directory Server 8 | httpd | Not affected | n/a |
| Red Hat Enterprise Linux 7 | httpd | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | httpd | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 1 | httpd | Will not fix | n/a |
| Red Hat Software Collections | httpd24-httpd | Affected | 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:N/AC:L/Au:N/C:N/I:N/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 (50 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 26.00% (0.25999) | 97.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 26.00% (0.25999) | 97.71th | v5 (v2026.06.15) |
| May 8, 2026 | 50.79% (0.50788) | 97.87th | v4 (v2025.03.14) |
| Mar 4, 2026 | 40.76% (0.40763) | 97.30th | v4 (v2025.03.14) |
| Mar 1, 2026 | 15.37% (0.15372) | 94.54th | v4 (v2025.03.14) |
| Feb 4, 2026 | 47.40% (0.47397) | 97.60th | v4 (v2025.03.14) |
| Feb 1, 2026 | 15.37% (0.15372) | 94.49th | v4 (v2025.03.14) |
| Jan 4, 2026 | 47.40% (0.47397) | 97.58th | v4 (v2025.03.14) |
| Jan 1, 2026 | 15.37% (0.15372) | 94.47th | v4 (v2025.03.14) |
| Dec 28, 2025 | 47.40% (0.47397) | 97.58th | v4 (v2025.03.14) |
| Dec 27, 2025 | 40.28% (0.40278) | 97.22th | v4 (v2025.03.14) |
| Dec 4, 2025 | 47.40% (0.47397) | 97.55th | v4 (v2025.03.14) |
| Dec 1, 2025 | 15.37% (0.15372) | 94.41th | v4 (v2025.03.14) |
| Nov 4, 2025 | 47.40% (0.47397) | 97.55th | v4 (v2025.03.14) |
| Nov 1, 2025 | 15.37% (0.15372) | 94.39th | v4 (v2025.03.14) |
| Oct 28, 2025 | 47.40% (0.47397) | 97.54th | v4 (v2025.03.14) |
| Oct 27, 2025 | 40.28% (0.40278) | 97.18th | v4 (v2025.03.14) |
| Oct 4, 2025 | 47.40% (0.47397) | 97.61th | v4 (v2025.03.14) |
| Oct 1, 2025 | 15.37% (0.15372) | 94.43th | v4 (v2025.03.14) |
| Sep 9, 2025 | 40.02% (0.40022) | 97.24th | v4 (v2025.03.14) |
| Sep 4, 2025 | 42.35% (0.42346) | 97.37th | v4 (v2025.03.14) |
| Sep 1, 2025 | 16.99% (0.16988) | 94.76th | v4 (v2025.03.14) |
| Aug 4, 2025 | 42.35% (0.42346) | 97.33th | v4 (v2025.03.14) |
| Aug 1, 2025 | 16.99% (0.16988) | 94.74th | v4 (v2025.03.14) |
| Jul 30, 2025 | 42.35% (0.42346) | 97.33th | v4 (v2025.03.14) |
| Jul 4, 2025 | 49.46% (0.49465) | 97.67th | v4 (v2025.03.14) |
| Jul 1, 2025 | 20.79% (0.20788) | 95.34th | v4 (v2025.03.14) |
| Jun 22, 2025 | 49.46% (0.49465) | 97.66th | v4 (v2025.03.14) |
| Jun 4, 2025 | 48.32% (0.48321) | 97.58th | v4 (v2025.03.14) |
| Jun 1, 2025 | 16.51% (0.16509) | 94.57th | v4 (v2025.03.14) |
| May 4, 2025 | 48.32% (0.48321) | 97.57th | v4 (v2025.03.14) |
| May 1, 2025 | 16.51% (0.16509) | 94.53th | v4 (v2025.03.14) |
| Apr 12, 2025 | 48.32% (0.48321) | 97.52th | v4 (v2025.03.14) |
| Apr 6, 2025 | 41.81% (0.41813) | 97.16th | v4 (v2025.03.14) |
| Mar 30, 2025 | 37.83% (0.37828) | 96.90th | v4 (v2025.03.14) |
| Mar 29, 2025 | 48.39% (0.48388) | 96.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 37.32% (0.37324) | 96.82th | v4 (v2025.03.14) |
| Dec 17, 2024 | 33.57% (0.33567) | 97.07th | v3 (v2023.03.01) |
| Oct 3, 2024 | 15.13% (0.15130) | 95.93th | v3 (v2023.03.01) |
| Mar 16, 2024 | 22.39% (0.22388) | 96.37th | v3 (v2023.03.01) |
| Dec 12, 2023 | 19.08% (0.19084) | 95.76th | v3 (v2023.03.01) |
| Nov 8, 2023 | 24.73% (0.24734) | 96.16th | v3 (v2023.03.01) |
| Oct 28, 2023 | 97.27% (0.97266) | 99.79th | v3 (v2023.03.01) |
| Sep 11, 2023 | 97.33% (0.97327) | 99.81th | v3 (v2023.03.01) |
| Jul 22, 2023 | 97.34% (0.97336) | 99.81th | v3 (v2023.03.01) |
| Jun 1, 2023 | 97.30% (0.97298) | 99.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.31% (0.97312) | 99.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.34% (0.07344) | 92.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.34% (0.07344) | 91.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.34% (0.07344) | 80.64th | v2 (v2022.01.01) |
References (58)
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- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
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- https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
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Change history (0)
No recorded changes yet.