CVE-2009-0647

no score yetEPSS 17%

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.

EPSS: 17% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2009-02-19
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

microsoft:windows_live_messenger

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

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