How severe is CVE-2005-3267?

CVE-2005-3267 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2005-3267 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3267?

CVE-2005-3267 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-2005-3267?

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-2005-3267 published?

CVE-2005-3267 was published on 2005-10-27 and last updated on 2026-06-16.

CVE-2005-3267

CVE-2005-3267 is a critical-severity vulnerability in Skype Technologies Skype with a CVSS 2.0 base score of 10.0. 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-189.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Skype Technologies Skype
Published: 2005-10-27
Last modified: 2026-06-16

Description

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 1.1.x.6 and earlier allows remote attackers to cause a denial of service (crash) via crafted network data with a large Object Counter value, which leads to a resultant heap-based buffer overflow.

Frequently asked questions

What is CVE-2005-3267?: 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 1.1.x.6 and earlier allows remote attackers to cause a denial of service (crash) via crafted network data with a large Object Counter value, which leads to a resultant heap-based buffer overflow.
How severe is CVE-2005-3267?: CVE-2005-3267 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2005-3267 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3267?: CVE-2005-3267 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-2005-3267?: 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-2005-3267 published?: CVE-2005-3267 was published on 2005-10-27 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:skype_technologies:skype:0.92.0.12:*:linux:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:0.93.0.3:*:linux:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:0.98.0.04:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.1:*:linux:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.7:*:linux:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.10:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.18:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.29:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.94:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.97:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.0.0.100:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.1.0.20:*:linux:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.1.06:*:pocket_pc:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.2.0.17:*:linux:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.3.0.16:*:mac_os_x:*:*:*:*:*
cpe:2.3:a:skype_technologies:skype:1.4.0.83:*:*:*:*:*:*:*

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