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Vulnerability record · CVE-2008-5179 · published 20 November 2008

CVE-2008-5179: Microsoft office communications server vulnerability

Microsoft · Office Communications Server

Unspecified vulnerability in Microsoft Office Communications Server (OCS), Office Communicator, and Windows Live Messenger allows remote attackers to cause a denial of service (crash) via a crafted Real-time Transport Control Protocol (RTCP) receiver report packet.

5.0 CVSS 2.0 Medium EPSS 16% · top 3.1%
5.0CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Unspecified vulnerability in Microsoft Office Communications Server (OCS), Office Communicator, and Windows Live Messenger allows remote attackers to cause a denial of service (crash) via a crafted Real-time Transport Control Protocol (RTCP) receiver report packet.

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

Affected products

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

References

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Related vulnerabilities

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

9.3CVE-2013-1302Microsoft lync memory buffer overflow vulnerabilityMicrosoft Communicator 2007 R2, Lync 2010, Lync 2010 Attendee, and Lync Server 2013 do not properly handle objects in memory, which allows remote att…EPSS 22%9.3CVE-2007-2931Microsoft MSN/Live Messenger heap buffer overflow in video chatA heap-based buffer overflow exists in Microsoft MSN Messenger 6.2, 7.0, 7.5 and Windows Live Messenger 8.0, triggered through unspecified vectors in…EPSS 55%analysed7.5CVE-2008-3068Microsoft access vulnerabilityMicrosoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) …EPSS 17%5.3CVE-2008-5180Microsoft Communicator SIP INVITE flood causes memory exhaustion DoSMicrosoft Communicator, including the version bundled in the Office 2010 beta, allocates a session for each incoming SIP INVITE without limiting how …EPSS 68%analysed5.1CVE-2006-3250Microsoft windows live messenger vulnerabilityHeap-based buffer overflow in Windows Live Messenger 8.0 allows user-assisted attackers to execute arbitrary code via a crafted Contact List (.ctt) f…EPSS 6.8%5.0CVE-2009-0647Microsoft windows live messenger improper input validation vulnerabilitymsnmsgr.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 serv…EPSS 17%5.0CVE-2008-5828Microsoft windows live messenger information exposure vulnerabilityMicrosoft Windows Live Messenger Client 8.5.1 and earlier, when MSN Protocol Version 15 (MSNP15) is used over a NAT session, allows remote attackers …EPSS 14%5.0CVE-2008-5181Microsoft office communicator vulnerabilityMicrosoft Communicator allows remote attackers to cause a denial of service (application or device outage) via instant messages containing large numb…EPSS 13%

Source: NIST National Vulnerability Database (record CVE-2008-5179), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.