How severe is CVE-2005-3265?

CVE-2005-3265 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2005-3265 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3265?

CVE-2005-3265 primarily affects Skype Technologies Skype. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-3265?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2005-3265 published?

CVE-2005-3265 was published on 2005-10-27 and last updated on 2026-06-16.

CVE-2005-3265

CVE-2005-3265 is a critical-severity vulnerability in Skype Technologies Skype with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Skype Technologies Skype
Published: 2005-10-27
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2005-3265?: CVE-2005-3265 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2005-3265 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3265?: CVE-2005-3265 primarily affects Skype Technologies Skype. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3265?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2005-3265 published?: CVE-2005-3265 was published on 2005-10-27 and last updated on 2026-06-16.

References

Affected products (18)

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

More vulnerabilities in Skype Technologies Skype

CVE-2005-3267 — Critical (CVSS 10.0): Integer overflow in Skype client before 1.4.x.84 on Windows, before 1.3.x.17 on Mac OS, before 1.2.x.18 on Linux, and…
CVE-2008-2545 — Critical (CVSS 9.3): Skype 3.6.0.248, and other versions before 3.8.0.139, uses a case-sensitive comparison when checking for dangerous…
CVE-2008-1805 — Critical (CVSS 9.3): Incomplete blacklist vulnerability in Skype 3.6.0.248, and other versions before 3.8.0.139, allows user-assisted remote…
CVE-2008-0454 — Critical (CVSS 9.3): Cross-zone scripting vulnerability in the Internet Explorer web control in Skype 3.6.0.244, and earlier 3.5.x and 3.6.x…
CVE-2004-1114 — Critical (CVSS 9.3): Buffer overflow in the handling of command line arguments in Skype 1.0.x.94 through 1.0.x.98 allows remote attackers to…
CVE-2006-5084 — High (CVSS 7.5): Format string vulnerability in the NSRunAlertPanel function in eBay Skype for Mac 1.5.*.79 and earlier allows remote…

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