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Fencer Vulns
critical 9.0

CVE-2006-1857 in the critical feed json

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…

published 2006-05-22 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-1857

cvss
9.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.1%
EPSS 7.1% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

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.

Patch / fix

  • kernel RHEL 4 2.6.9-42.EL
  • kernel-smp RHEL 4 2.6.9-42.EL
  • kernel-hugemem RHEL 4 2.6.9-42.EL
  • kernel-largesmp RHEL 4 2.6.9-42.EL

red hat advisories RHSA-2006:0575

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-1857 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-42.EL, kernel-smp 2.6.9-42.EL, kernel-hugemem 2.6.9-42.EL, kernel-largesmp 2.6.9-42.EL Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-42.EL, kernel-smp 2.6.9-42.EL, kernel-hugemem 2.6.9-42.EL, kernel-largesmp 2.6.9-42.EL Red Hat Enterprise Linux ES version 4 kernel 2.6.9-42.EL, kernel-smp 2.6.9-42.EL, kernel-hugemem 2.6.9-42.EL, kernel-largesmp 2.6.9-42.EL Red Hat Enterprise Linux WS version 4 kernel 2.6.9-42.EL, kernel-smp 2.6.9-42.EL, kernel-hugemem 2.6.9-42.EL, kernel-largesmp 2.6.9-42.EL
    fixed: vendor fix RHSA-2006:0575

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

7.09% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.0 AV:N/AC:L/Au:N/C:P/I:P/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.