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Vulnerability record · CVE-2006-5084 · published 29 September 2006

CVE-2006-5084: Skype technologies skype improper input validation vulnerability

Skype Technologies · Skype

Format string vulnerability in the NSRunAlertPanel function in eBay Skype for Mac 1.5.*.79 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a malformed Skype URL, as originally reported to involve a null dereference.

7.5 CVSS 2.0 High EPSS 16% · top 3.2% CWE-20 · Improper input validation
7.5CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

Format string vulnerability in the NSRunAlertPanel function in eBay Skype for Mac 1.5.*.79 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a malformed Skype URL, as originally reported to involve a null dereference.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/22185/
http://security-protocols.com/vids/skype_osx_0day.htm
http://securitytracker.com/id?1016966
http://www.kb.cert.org/vuls/id/202604 US Government Resource
http://www.security-protocols.com/modules.php?name=News&file=article&sid=3259
http://www.securityfocus.com/bid/20218
http://www.skype.com/security/skype-sb-2006-002.html
http://www.vupen.com/english/advisories/2006/3895 Vendor Advisory
http://secunia.com/advisories/22185/
http://security-protocols.com/vids/skype_osx_0day.htm
http://securitytracker.com/id?1016966
http://www.kb.cert.org/vuls/id/202604 US Government Resource
http://www.security-protocols.com/modules.php?name=News&file=article&sid=3259
http://www.securityfocus.com/bid/20218
http://www.skype.com/security/skype-sb-2006-002.html
http://www.vupen.com/english/advisories/2006/3895 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2005-3267Skype technologies skype vulnerabilityInteger 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 remo…EPSS 7.3%9.3CVE-2008-1805Skype technologies skype improper input validation vulnerabilityIncomplete blacklist vulnerability in Skype 3.6.0.248, and other versions before 3.8.0.139, allows user-assisted remote attackers to bypass warning d…EPSS 3.9%9.3CVE-2008-2545Skype technologies skype improper input validation vulnerabilitySkype 3.6.0.248, and other versions before 3.8.0.139, uses a case-sensitive comparison when checking for dangerous extensions, which allows user-assi…EPSS 4.2%9.3CVE-2008-0454Microsoft internet explorer cross-site scripting vulnerabilityCross-zone scripting vulnerability in the Internet Explorer web control in Skype 3.6.0.244, and earlier 3.5.x and 3.6.x versions, on Windows allows u…EPSS 25%9.3CVE-2005-3265Skype technologies skype memory buffer overflow vulnerabilityBuffer 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:// li…EPSS 5.9%9.3CVE-2004-1114Skype technologies skype memory buffer overflow vulnerabilityBuffer overflow in the handling of command line arguments in Skype 1.0.x.94 through 1.0.x.98 allows remote attackers to execute arbitrary code via a …EPSS 5.7%6.8CVE-2007-5989Skype technologies skype memory buffer overflow vulnerabilityUnspecified vulnerability in the skype4com URI handler in Skype before 3.6 GOLD allows remote attackers to execute arbitrary code via "short string v…EPSS 4.4%5.0CVE-2007-4429Skype technologies skype vulnerabilityUnspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URI…EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2006-5084), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.