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CVE-2009-2629

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,...

7.5 HighPublic exploitFix available

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.

Exploit likelihood

75.1%Up 34.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2009-2629
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2009-2629
Updated
2026-11-02
EUVDEUVD-2009-2623 No score

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.

Record
EUVD-2009-2623
Updated
2026-11-03
GitHub AdvisoriesGHSA-f36r-j88j-6j27 No score

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,...

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.

Record
GHSA-f36r-j88j-6j27
Weakness
CWE-787
Updated
2026-11-02
OSV No score

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.

Record
CVE-2009-2629
Updated
2026-11-02
OSVDEBIAN-CVE-2009-2629 No score

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.

Record
DEBIAN-CVE-2009-2629
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nginx
Debian:12
before 0.7.61-3
0.7.61-3
nginx
Debian:13
before 0.7.61-3
0.7.61-3
nginx
Debian:14
before 0.7.61-3
0.7.61-3
nginx
Debian:4.0
before 0.4.13-2+etch2, plus listed versions
0.4.13-2
0.4.13-2+etch2
nginx
Debian:5.0
before 0.6.32-3+lenny2, plus listed versions
0.6.32-3
0.6.32-3+lenny2

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBNginx 0.6.38 - Heap Corruption2010-08-29

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-2629 is a high vulnerability (CVSS 7.5) in F5 Nginx, published September 14, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 75.1%, the 99th percentile. Fixed in nginx 0.7.61-3.

References

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