What’s Vulnerable › Vulnerabilities

CVE-2009-0647

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 17.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-02-19 · updated 2026-06-16
• Weakness: CWE-20

Description

msnmsgr.exe in Windows Live Messenger (WLM) 2009 build 14.0.8064.206, and other 14.0.8064.x builds, allows remote attackers to cause a denial of service (application crash) via a modified header in a packet, as possibly demonstrated by a UTF-8.0 value of the charset field in the Content-Type header line. NOTE: this has been reported as a format string vulnerability by some sources, but the provenance of that information is unknown.

Affected products

• Microsoft Windows Live Messenger: 2009

References

• http://secunia.com/advisories/33985
• http://www.securityfocus.com/archive/1/501043/100/0/threaded
• http://www.securityfocus.com/bid/33825
• http://www.vupen.com/english/advisories/2009/0466
• https://exchange.xforce.ibmcloud.com/vulnerabilities/48810
• http://secunia.com/advisories/33985
• http://www.securityfocus.com/archive/1/501043/100/0/threaded
• http://www.securityfocus.com/bid/33825
• http://www.vupen.com/english/advisories/2009/0466
• https://exchange.xforce.ibmcloud.com/vulnerabilities/48810

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