CVE-2005-2550

Format string vulnerability in Evolution 1.4 through 2.3.6.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via the calendar entries such as task lists, which are not properly handled when the user selects the Calendars tab.

Published: 2005-08-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-2550 is rated Moderate Risk (60.8/100): CVSS High severity, with high exploitation likelihood (EPSS 4.43%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-2005-2550

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 5.16% 4.43% -0.73%
2 2025-03-30 5.40% 5.16% -0.24%
3 2025-03-29 5.40%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2550

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-2005-2550

OS Trackers for CVE-2005-2550

vendor priority summary link
debian high CVE-2005-2550 high priority: Debian including 1 source packages (evolution), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-2550
redhat medium https://access.redhat.com/security/cve/CVE-2005-2550
ubuntu medium CVE-2005-2550 medium priority: Ubuntu including 1 source packages (evolution), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-2550

Affected software / configurations for CVE-2005-2550

Vendor Product Version Raw CPE
gnome evolution 1.4 cpe:2.3:a:gnome:evolution:1.4:*:*:*:*:*:*:*
gnome evolution 1.5 cpe:2.3:a:gnome:evolution:1.5:*:*:*:*:*:*:*
gnome evolution 2.0 cpe:2.3:a:gnome:evolution:2.0:*:*:*:*:*:*:*
gnome evolution 2.1 cpe:2.3:a:gnome:evolution:2.1:*:*:*:*:*:*:*
gnome evolution 2.2 cpe:2.3:a:gnome:evolution:2.2:*:*:*:*:*:*:*
gnome evolution 2.3.1 cpe:2.3:a:gnome:evolution:2.3.1:*:*:*:*:*:*:*
gnome evolution 2.3.2 cpe:2.3:a:gnome:evolution:2.3.2:*:*:*:*:*:*:*
gnome evolution 2.3.3 cpe:2.3:a:gnome:evolution:2.3.3:*:*:*:*:*:*:*
gnome evolution 2.3.4 cpe:2.3:a:gnome:evolution:2.3.4:*:*:*:*:*:*:*
gnome evolution 2.3.5 cpe:2.3:a:gnome:evolution:2.3.5:*:*:*:*:*:*:*
gnome evolution 2.3.6.1 cpe:2.3:a:gnome:evolution:2.3.6.1:*:*:*:*:*:*:*

References for CVE-2005-2550

cvelogic Threat Intelligence