HIGH
nginx: ngx_http_parse_complex_uri() buffer underflow vulnerability (VU#180065)
Published Sep 15, 2009
7.5
HIGHCVSS 2.0
EPSS 75.08%
Description
Buffer underflow in src/http/ngx_http_parse.c in nginx 0.1.0 through 0.5.37, 0.6.x before 0.6.39, 0.7.x before 0.7.62, and 0.8.x before 0.8.15 allows remote attackers to execute arbitrary code via crafted HTTP requests.
Affected products
No data.
Configuration 1
Configuration 2
OR
- 4.0
- 5.0
- 6.0
Configuration 3
OR
- 10
- 11
- 12
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
75.08% 0.75079
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.75079
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 (25 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 75.08% (0.75079) | 99.50th | v5 (v2026.06.15) |
| Jul 7, 2026 | 75.08% (0.75079) | 99.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 66.90% (0.66900) | 99.20th | v5 (v2026.06.15) |
| Apr 3, 2026 | 78.10% (0.78100) | 99.01th | v4 (v2025.03.14) |
| Dec 28, 2025 | 81.30% (0.81297) | 99.13th | v4 (v2025.03.14) |
| Dec 27, 2025 | 79.10% (0.79104) | 99.02th | v4 (v2025.03.14) |
| Dec 25, 2025 | 81.30% (0.81297) | 99.13th | v4 (v2025.03.14) |
| Jul 30, 2025 | 79.10% (0.79104) | 99.01th | v4 (v2025.03.14) |
| Jun 3, 2025 | 81.30% (0.81297) | 99.12th | v4 (v2025.03.14) |
| Apr 18, 2025 | 85.78% (0.85779) | 99.31th | v4 (v2025.03.14) |
| Apr 5, 2025 | 83.82% (0.83818) | 99.25th | v4 (v2025.03.14) |
| Mar 30, 2025 | 86.74% (0.86741) | 99.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 56.94% (0.56944) | 97.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 86.74% (0.86741) | 99.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 92.83% (0.92829) | 99.14th | v3 (v2023.03.01) |
| Jul 15, 2024 | 92.83% (0.92829) | 99.05th | v3 (v2023.03.01) |
| Nov 3, 2023 | 93.82% (0.93820) | 98.87th | v3 (v2023.03.01) |
| Sep 18, 2023 | 91.45% (0.91454) | 98.52th | v3 (v2023.03.01) |
| Aug 4, 2023 | 91.88% (0.91885) | 98.51th | v3 (v2023.03.01) |
| Jun 21, 2023 | 91.19% (0.91190) | 98.39th | v3 (v2023.03.01) |
| May 9, 2023 | 93.82% (0.93820) | 98.66th | v3 (v2023.03.01) |
| Mar 27, 2023 | 93.57% (0.93574) | 98.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 92.94% (0.92936) | 98.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 40.59% (0.40588) | 98.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 40.59% (0.40588) | 97.48th | v2 (v2022.01.01) |
Weaknesses (1)
References (14)
- http://nginx.net/CHANGES x_refsource_CONFIRMRelease NotesVendor Advisory
- http://nginx.net/CHANGES-0.5 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://nginx.net/CHANGES-0.6 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://nginx.net/CHANGES-0.7 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://sysoev.ru/nginx/patch.180065.txt x_refsource_CONFIRMBroken Link
- http://www.debian.org/security/2009/dsa-1884 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kb.cert.org/vuls/id/180065 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- https://access.redhat.com/security/cve/CVE-2009-2629 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=523105 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-2629
- https://www.cve.org/CVERecord?id=CVE-2009-2629
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00428.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00442.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00449.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Sep 15, 2009
Updated Aug 7, 2024
Reserved Jul 28, 2009
Link CVE-2009-2629
CISA Vulnrichment
Updated n/a