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Unrated severityNVD Advisory· Published Apr 5, 2012· Updated Jun 16, 2026

CVE-2011-5000

CVE-2011-5000

Description

The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

67
  • OpenBSD/OpenSSH66 versions
    cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*+ 65 more
    • cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*range: <=5.8
    • cpe:2.3:a:openbsd:openssh:1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.2.27:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.3:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.5:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.5.7:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:1.5.8:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.7.1p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.2p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.3p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.3p2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.4:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.4p1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.6:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.7:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.8:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:4.9:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.0:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.1:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.2:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.3:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.4:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.5:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.6:*:*:*:*:*:*:*
    • cpe:2.3:a:openbsd:openssh:5.7:*:*:*:*:*:*:*
  • OpenSSH/OpenSSHllm-fuzzy
    Range: <=5.8

Patches

Vulnerability mechanics

References

3

News mentions

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