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Unrated severityNVD Advisory· Published Nov 8, 2013· Updated Jun 16, 2026

CVE-2013-5553

CVE-2013-5553

Description

Multiple memory leaks in Cisco IOS 15.1 before 15.1(4)M7 allow remote attackers to cause a denial of service (memory consumption or device reload) by sending a crafted SIP message over (1) IPv4 or (2) IPv6, aka Bug IDs CSCuc42558 and CSCug25383.

AI Insight

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Affected products

2
  • Cisco Systems, Inc./Cisco iOS2 versions
    cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
    • (no CPE)range: <15.1(4)M7

Patches

Vulnerability mechanics

References

1

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