CVE-2009-2629

Exp

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.

Published: 2009-09-15 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2629 is rated High Exploit Risk (74.7/100): CVSS High severity, with high exploitation likelihood (EPSS 66.90%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-2629

EDB-ID Source Kind Published Link
14830 exploit_db edb 2010-08-29 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2629

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 78.10% 66.90% -11.20%
2 2026-04-03 80.76% 78.10% -2.66%
3 2026-02-04 — 80.76% —

Full EPSS history (27 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2629

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-2629

OS Trackers for CVE-2009-2629

vendor priority summary link
debian medium CVE-2009-2629 medium priority: Debian including 1 source packages (nginx), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-2629
gentoo high CVE-2009-2629: 1 GLSA(s) (200909-18), 1 atom(s) (www-servers/nginx); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-2629
redhat critical — https://access.redhat.com/security/cve/CVE-2009-2629
ubuntu high CVE-2009-2629 high priority: Ubuntu including 1 source packages (nginx), 5 status rows across 5 suites (dapper, hardy, intrepid, jaunty, upstream): released 4, DNE 1. https://ubuntu.com/security/CVE-2009-2629

Affected software / configurations for CVE-2009-2629

Vendor Product Version Raw CPE
f5 nginx >= 0.1.0, < 0.5.38 cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
f5 nginx >= 0.6.0, < 0.6.39 cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
f5 nginx >= 0.7.0, < 0.7.62 cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
f5 nginx >= 0.8.0, < 0.8.15 cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
debian debian_linux 4.0 cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
debian debian_linux 5.0 cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
debian debian_linux 6.0 cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
fedoraproject fedora 10 cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:*
fedoraproject fedora 11 cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:*
fedoraproject fedora 12 cpe:2.3:o:fedoraproject:fedora:12:*:*:*:*:*:*:*

References for CVE-2009-2629

cvelogic Threat Intelligence