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Vulnerability record · CVE-2009-2878 · published 18 December 2009

CVE-2009-2878: Cisco webex memory buffer overflow vulnerability

Cisco · Webex

Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T27SP10) for Windows, 26.x before 26.49.35 for Mac OS X and Linux, and 27.x before 27.11.8 for Mac OS X and Linux allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted WebEx Recording Format (WRF) file, a different vulnerability than CVE-2009-2876 and CVE-2009-2879.

9.3 CVSS 2.0 High EPSS 5.1% · top 7.9% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
32References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T27SP10) for Windows, 26.x before 26.49.35 for Mac OS X and Linux, and 27.x before 27.11.8 for Mac OS X and Linux allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted WebEx Recording Format (WRF) file, a different vulnerability than CVE-2009-2876 and CVE-2009-2879.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://fgc.fortinet.com/encyclopedia/vulnerability/fg-vd-09-013-cisco.html
http://secunia.com/advisories/37810 Vendor Advisory
http://securitytracker.com/id?1023360 Patch
http://tools.cisco.com/security/center/viewAlert.x?alertId=19499 Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22660&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22661&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22662&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22663&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22799&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=23040&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b0a577.shtml PatchVendor Advisory
http://www.fortiguard.com/advisory/FGA-2009-48.html
http://www.osvdb.org/61128
http://www.securityfocus.com/bid/37352
http://www.vupen.com/english/advisories/2009/3574 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/54841
http://fgc.fortinet.com/encyclopedia/vulnerability/fg-vd-09-013-cisco.html
http://secunia.com/advisories/37810 Vendor Advisory
http://securitytracker.com/id?1023360 Patch
http://tools.cisco.com/security/center/viewAlert.x?alertId=19499 Vendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22660&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22661&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22662&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22663&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=22799&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=23040&signatureSubId=0&softwareVersion=6.0&release PatchVendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b0a577.shtml PatchVendor Advisory
http://www.fortiguard.com/advisory/FGA-2009-48.html
http://www.osvdb.org/61128
http://www.securityfocus.com/bid/37352
http://www.vupen.com/english/advisories/2009/3574 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/54841

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Related vulnerabilities

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

9.3CVE-2009-2875Cisco webex memory buffer overflow vulnerabilityBuffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x for Windows, 26.x before 26.49.35 f…EPSS 5.1%9.3CVE-2009-2876Cisco webex memory buffer overflow vulnerabilityHeap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T…EPSS 5.1%9.3CVE-2009-2877Cisco webex memory buffer overflow vulnerabilityStack-based buffer overflow in ataudio.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x (aka T27SP10) for Wind…EPSS 5.1%9.3CVE-2009-2879Cisco webex memory buffer overflow vulnerabilityHeap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T…EPSS 5.1%9.3CVE-2009-2880Cisco webex memory buffer overflow vulnerabilityBuffer overflow in atrpui.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x for Windows, 26.x before 26.49.35 f…EPSS 5.2%8.8CVE-2017-3823Cisco activetouch general plugin container memory buffer overflow vulnerabilityAn issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin Container before 106 on Mozilla Fi…EPSS 27%6.1CVE-2026-20149Cisco webex cross-site scripting vulnerabilityA vulnerability in Cisco Webex could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. Cisco has addre…EPSS 0.24%5.8CVE-2012-6399Cisco webex improper input validation vulnerabilityCisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of th…EPSS 0.53%

Source: NIST National Vulnerability Database (record CVE-2009-2878), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.