CVE-2006-1857

CVE-2006-1857 is a critical-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Buffer overflow in SCTP in Linux kernel before 2.6.16.17 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a malformed HB-ACK chunk.

Frequently asked questions

What is CVE-2006-1857?
Buffer overflow in SCTP in Linux kernel before 2.6.16.17 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a malformed HB-ACK chunk.
How severe is CVE-2006-1857?
CVE-2006-1857 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2006-1857 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1857?
CVE-2006-1857 primarily affects Linux Linux Kernel. In total, 135 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-1857?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-1857 published?
CVE-2006-1857 was published on 2006-05-22 and last updated on 2026-06-16.

References

Affected products (135)

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