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CVE-2006-5051

HIGH · CVSS 8.1EPSS 45.6%EU EUVD

Signal handler race condition in OpenSSH before 4.4 allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code if GSSAPI authentication is enabled, via unspecified vectors that lead to a double-free.

Key facts

CVSS score
8.1 (v3.1)
Severity
HIGH
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-415
EPSS score
45.6% (99th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2006-5036)
Published
September 27, 2006
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-5036 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • apple / mac os x
  • apple / mac os x server
  • debian / debian linux
  • openbsd / openssh

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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