AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2009-5039

MEDIUM · CVSS 5 EPSS 1.30%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-01-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. It affects Cisco. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2009-5039
Severity
MEDIUM
CVSS
5
EPSS
1.30%
Cisco

Original NVD 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.