Unrated severityNVD Advisory· Published Jan 7, 2011· Updated Apr 29, 2026
CVE-2009-5039
CVE-2009-5039
Description
Memory leak in the gk_circuit_info_do_in_acf function in the H.323 implementation in Cisco IOS before 15.0(1)XA allows remote attackers to cause a denial of service (memory consumption) via a large number of calls over a long duration, as demonstrated by InterZone Clear Token (IZCT) test traffic, aka Bug ID CSCsz72535.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfnvdRelease NotesVendor Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/64731nvdThird Party AdvisoryVDB Entry
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