Unrated severityNVD Advisory· Published Jan 7, 2011· Updated Jun 16, 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
2cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*range: <15.0\(1\)xa
- (no CPE)range: <15.0(1)XA
Patches
Vulnerability mechanics
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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