MEDIUM
Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity
Published Feb 18, 2006
5.0
MEDIUMCVSS 2.0
EPSS 6.23%
Description
Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.
Affected products
No data.
Configuration 2
OR
- 3.0
- 3.1
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.
6.23% 0.06228
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.06228
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 6.23% (0.06228) | 93.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.23% (0.06228) | 92.61th | v5 (v2026.06.15) |
| Mar 17, 2025 | 7.08% (0.07081) | 90.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.37% (0.01369) | 86.83th | v3 (v2023.03.01) |
| Jun 9, 2024 | 1.37% (0.01369) | 86.27th | v3 (v2023.03.01) |
| Jan 9, 2024 | 1.18% (0.01176) | 83.45th | v3 (v2023.03.01) |
| Jul 14, 2023 | 1.37% (0.01370) | 84.46th | v3 (v2023.03.01) |
| Apr 16, 2023 | 0.97% (0.00970) | 81.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.10% (0.01096) | 82.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.72% (0.03718) | 85.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.72% (0.03718) | 83.56th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.72% (0.03718) | 66.71th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (10)
- http://secunia.com/advisories/18846 third-party-advisoryx_refsource_SECUNIAPatchThird Party Advisory
- http://secunia.com/advisories/19139 third-party-advisoryx_refsource_SECUNIAPatchThird Party Advisory
- http://secunia.com/advisories/19658 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://securityreason.com/securityalert/737 third-party-advisoryx_refsource_SREASONThird Party Advisory
- http://svn.apache.org/viewcvs.cgi/httpd/apreq/tags/v2_07/CHANGES?rev=376998&view=markup x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2006/dsa-1000 vendor-advisoryx_refsource_DEBIANPatchThird Party Advisory
- http://www.gentoo.org/security/en/glsa/glsa-200604-08.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.securityfocus.com/bid/16710 vdb-entryx_refsource_BIDPatchThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2006/0645 vdb-entryx_refsource_VUPENThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24917 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/18846 | third-party-advisoryx_refsource_SECUNIAPatchThird Party Advisory | |
| http://secunia.com/advisories/19139 | third-party-advisoryx_refsource_SECUNIAPatchThird Party Advisory | |
| http://secunia.com/advisories/19658 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://securityreason.com/securityalert/737 | third-party-advisoryx_refsource_SREASONThird Party Advisory | |
| http://svn.apache.org/viewcvs.cgi/httpd/apreq/tags/v2_07/CHANGES?rev=376998&view=markup | x_refsource_CONFIRMVendor Advisory | |
| http://www.debian.org/security/2006/dsa-1000 | vendor-advisoryx_refsource_DEBIANPatchThird Party Advisory | |
| http://www.gentoo.org/security/en/glsa/glsa-200604-08.xml | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| http://www.securityfocus.com/bid/16710 | vdb-entryx_refsource_BIDPatchThird Party AdvisoryVDB Entry | |
| http://www.vupen.com/english/advisories/2006/0645 | vdb-entryx_refsource_VUPENThird Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/24917 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Feb 18, 2006
Updated Aug 7, 2024
Reserved Dec 20, 2005
Link CVE-2006-0042
CISA Vulnrichment
Updated n/a