CVE-2009-5028

Stack-based buffer overflow in Namazu before 2.0.20 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted request containing an empty uri field.

Published: 2011-11-30 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-5028 is rated Moderate Risk (61.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.93%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2009-5028

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 2026-06-01 3.26% 3.93% +0.67%
2 2025-03-30 3.81% 3.26% -0.54%
3 2025-03-29 — 3.81% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-5028

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-2009-5028

OS Trackers for CVE-2009-5028

vendor priority summary link
debian low CVE-2009-5028 low priority: Debian including 1 source packages (namazu2), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2009-5028
gentoo normal CVE-2009-5028: 1 GLSA(s) (201311-22), 1 atom(s) (app-text/namazu); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-5028
ubuntu medium CVE-2009-5028 medium priority: Ubuntu including 1 source packages (namazu2), 7 status rows across 7 suites (hardy, lucid, maverick, natty, oneiric, precise, upstream): not-affected 4, ignored 2, released 1. https://ubuntu.com/security/CVE-2009-5028

Affected software / configurations for CVE-2009-5028

Vendor Product Version Raw CPE
namazu namazu <= 2.0.19 cpe:2.3:a:namazu:namazu:*:*:*:*:*:*:*:*
namazu namazu 2.0 cpe:2.3:a:namazu:namazu:2.0:*:*:*:*:*:*:*
namazu namazu 2.0.2 cpe:2.3:a:namazu:namazu:2.0.2:*:*:*:*:*:*:*
namazu namazu 2.0.12 cpe:2.3:a:namazu:namazu:2.0.12:*:*:*:*:*:*:*
namazu namazu 2.0.13 cpe:2.3:a:namazu:namazu:2.0.13:*:*:*:*:*:*:*
namazu namazu 2.0.14 cpe:2.3:a:namazu:namazu:2.0.14:*:*:*:*:*:*:*
namazu namazu 2.0.15 cpe:2.3:a:namazu:namazu:2.0.15:*:*:*:*:*:*:*
namazu namazu 2.0.16 cpe:2.3:a:namazu:namazu:2.0.16:*:*:*:*:*:*:*
namazu namazu 2.0.17 cpe:2.3:a:namazu:namazu:2.0.17:*:*:*:*:*:*:*
namazu namazu 2.0.18 cpe:2.3:a:namazu:namazu:2.0.18:*:*:*:*:*:*:*

References for CVE-2009-5028

cvelogic Threat Intelligence