CVE-2009-0546

Exp

Stack-based buffer overflow in NewsGator FeedDemon 2.7 and earlier allows user-assisted remote attackers to execute arbitrary code via a long text attribute in an outline element in a .opml file.

Published: 2009-02-12 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0546 is rated High Exploit Risk (84.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 80.17%, 99th percentile). 5 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-2009-0546

EDB-ID Source Kind Published Link
16640 exploit_db edb 2010-11-11 Exploit-DB ↗
11379 exploit_db edb 2010-02-09 Exploit-DB ↗
8010 exploit_db edb 2009-02-09 Exploit-DB ↗
7995 exploit_db edb 2009-02-05 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0546

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 2025-03-30 82.35% 80.17% -2.18%
2 2025-03-29 80.17% 82.35% +2.18%
3 2025-03-17 — 80.17% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0546

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-0546

Affected software / configurations for CVE-2009-0546

Vendor Product Version Raw CPE
newsgator feeddemon <= 2.7 cpe:2.3:a:newsgator:feeddemon:*:*:*:*:*:*:*:*
newsgator feeddemon 2.0.0.24 cpe:2.3:a:newsgator:feeddemon:2.0.0.24:*:*:*:*:*:*:*
newsgator feeddemon 2.6 cpe:2.3:a:newsgator:feeddemon:2.6:*:*:*:*:*:*:*
newsgator feeddemon 2.6.1.4 cpe:2.3:a:newsgator:feeddemon:2.6.1.4:*:*:*:*:*:*:*
newsgator feeddemon 2.6.1.5 cpe:2.3:a:newsgator:feeddemon:2.6.1.5:*:*:*:*:*:*:*

References for CVE-2009-0546

cvelogic Threat Intelligence