All vulnerabilities

Servers and applications

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, 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.

Severity
High 7.5
Published
15 Sept 2009
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
0.5.38, 0.6.39, 0.7.62, 0.8.15
Exploit chance
75% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Out-of-bounds write (CWE-787)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
nginxServers and applications · cpe:a:f5:nginx
  • From 0.1.0 before 0.5.38
  • From 0.6.0 before 0.6.39
  • From 0.7.0 before 0.7.62
  • From 0.8.0 before 0.8.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-2629
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-2629