Off-by-one error in src/http.c in CoreHTTP 0.5.3.1 and earlier allows remote attackers to cause a denial of service or possibly execute arbitrary code via an HTTP request with a long first line that triggers a buffer overflow
Published Dec 8, 2009
7.5
HIGHCVSS 2.0
EPSS 6.39%
Description
Off-by-one error in src/http.c in CoreHTTP 0.5.3.1 and earlier allows remote attackers to cause a denial of service or possibly execute arbitrary code via an HTTP request with a long first line that triggers a buffer overflow. NOTE: this vulnerability reportedly exists because of an incorrect fix for CVE-2007-4060.
Affected products
No data.
- 0.5.3.1
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.
AV:N/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 4, 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 (17 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 6.39% (0.06394) | 93.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.39% (0.06394) | 92.76th | v5 (v2026.06.15) |
| Nov 18, 2025 | 9.42% (0.09420) | 91.97th | v4 (v2025.03.14) |
| Sep 25, 2025 | 25.46% (0.25459) | 96.03th | v4 (v2025.03.14) |
| Apr 29, 2025 | 15.61% (0.15611) | 94.28th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.67% (0.13666) | 93.64th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.65% (0.11648) | 89.40th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.67% (0.13666) | 93.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.84% (0.01839) | 88.78th | v3 (v2023.03.01) |
| Apr 26, 2024 | 1.84% (0.01839) | 88.14th | v3 (v2023.03.01) |
| Mar 12, 2024 | 1.94% (0.01945) | 88.35th | v3 (v2023.03.01) |
| Dec 11, 2023 | 2.15% (0.02150) | 88.09th | v3 (v2023.03.01) |
| May 6, 2023 | 2.32% (0.02317) | 88.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.67% (0.02671) | 88.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.21% (0.06211) | 90.72th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.21% (0.06211) | 89.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.21% (0.06211) | 77.71th | v2 (v2022.01.01) |
References (3)
- http://census-labs.com/media/corex.txt x_refsource_MISCExploitPatch
- http://census-labs.com/news/2009/12/02/corehttp-web-server/ x_refsource_MISCExploit
- http://www.securityfocus.com/archive/1/508272/100/0/threaded mailing-listx_refsource_BUGTRAQ
| Link | Providers | Tags |
|---|---|---|
| http://census-labs.com/media/corex.txt | x_refsource_MISCExploitPatch | |
| http://census-labs.com/news/2009/12/02/corehttp-web-server/ | x_refsource_MISCExploit | |
| http://www.securityfocus.com/archive/1/508272/100/0/threaded | mailing-listx_refsource_BUGTRAQ |
Change history (0)
No recorded changes yet.