CVE-2005-3265

Buffer overflow in Skype for Windows 1.1.x.0 through 1.4.x.83 allows remote attackers to execute arbitrary code via (1) callto:// and (2) skype:// links, or (3) a non-standard VCARD, possibly due to an underlying error in the SysUtils.WideFmtStr Delphi routine.

Published: 2005-10-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3265 is rated High Risk (75/100): CVSS Critical severity, with high exploitation likelihood (EPSS 35.55%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.93% over the last day, indicating growing attacker interest. 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-2005-3265

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 2025-07-25 31.61% 35.55% +3.93%
2 2025-03-30 29.17% 31.61% +2.44%
3 2025-03-29 29.17%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3265

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-2005-3265

Affected software / configurations for CVE-2005-3265

Vendor Product Version Raw CPE
skype_technologies skype 1.1.0.61 cpe:2.3:a:skype_technologies:skype:1.1.0.61:*:*:*:*:*:*:*
skype_technologies skype 1.1.0.73 cpe:2.3:a:skype_technologies:skype:1.1.0.73:*:*:*:*:*:*:*
skype_technologies skype 1.1.0.79 cpe:2.3:a:skype_technologies:skype:1.1.0.79:*:*:*:*:*:*:*
skype_technologies skype 1.2.0.0 cpe:2.3:a:skype_technologies:skype:1.2.0.0:*:*:*:*:*:*:*
skype_technologies skype 1.2.0.37 cpe:2.3:a:skype_technologies:skype:1.2.0.37:*:*:*:*:*:*:*
skype_technologies skype 1.2.0.41 cpe:2.3:a:skype_technologies:skype:1.2.0.41:*:*:*:*:*:*:*
skype_technologies skype 1.2.0.46 cpe:2.3:a:skype_technologies:skype:1.2.0.46:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.45 cpe:2.3:a:skype_technologies:skype:1.3.0.45:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.48 cpe:2.3:a:skype_technologies:skype:1.3.0.48:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.51 cpe:2.3:a:skype_technologies:skype:1.3.0.51:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.54 cpe:2.3:a:skype_technologies:skype:1.3.0.54:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.55 cpe:2.3:a:skype_technologies:skype:1.3.0.55:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.57 cpe:2.3:a:skype_technologies:skype:1.3.0.57:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.60 cpe:2.3:a:skype_technologies:skype:1.3.0.60:*:*:*:*:*:*:*
skype_technologies skype 1.3.0.66 cpe:2.3:a:skype_technologies:skype:1.3.0.66:*:*:*:*:*:*:*
skype_technologies skype 1.4.0.71 cpe:2.3:a:skype_technologies:skype:1.4.0.71:*:*:*:*:*:*:*
skype_technologies skype 1.4.0.78 cpe:2.3:a:skype_technologies:skype:1.4.0.78:*:*:*:*:*:*:*
skype_technologies skype 1.4.0.83 cpe:2.3:a:skype_technologies:skype:1.4.0.83:*:*:*:*:*:*:*

References for CVE-2005-3265

cvelogic Threat Intelligence