CVE-2006-5444

CVE-2006-5444 is a high-severity vulnerability in Digium Asterisk with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 85% places it in the 100th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Integer overflow in the get_input function in the Skinny channel driver (chan_skinny.c) in Asterisk 1.0.x before 1.0.12 and 1.2.x before 1.2.13, as used by Cisco SCCP phones, allows remote attackers to execute arbitrary code via a certain dlen value that passes a signed integer comparison and leads to a heap-based buffer overflow.

Frequently asked questions

What is CVE-2006-5444?
Integer overflow in the get_input function in the Skinny channel driver (chan_skinny.c) in Asterisk 1.0.x before 1.0.12 and 1.2.x before 1.2.13, as used by Cisco SCCP phones, allows remote attackers to execute arbitrary code via a certain dlen value that passes a signed integer comparison and leads to a heap-based buffer overflow.
How severe is CVE-2006-5444?
CVE-2006-5444 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-5444 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5444?
CVE-2006-5444 primarily affects Digium Asterisk. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-5444?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-5444 published?
CVE-2006-5444 was published on 2006-10-23 and last updated on 2026-06-16.

References

Affected products (26)

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