CVE-2007-5902

CVE-2007-5902 is a critical-severity vulnerability in Mit Kerberos 5 with a CVSS 2.0 base score of 10.0. 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-189.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Mit Kerberos 5
• Published: 2007-12-06
• Last modified: 2026-06-16

Description

Integer overflow in the svcauth_gss_get_principal function in lib/rpc/svc_auth_gss.c in MIT Kerberos 5 (krb5) allows remote attackers to have an unknown impact via a large length value for a GSS client name in an RPC request.

Frequently asked questions

What is CVE-2007-5902?

Integer overflow in the svcauth_gss_get_principal function in lib/rpc/svc_auth_gss.c in MIT Kerberos 5 (krb5) allows remote attackers to have an unknown impact via a large length value for a GSS client name in an RPC request.

How severe is CVE-2007-5902?

CVE-2007-5902 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-5902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5902?

CVE-2007-5902 affects Mit Kerberos 5. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5902?

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-2007-5902 published?

CVE-2007-5902 was published on 2007-12-06 and last updated on 2026-06-16.

References

• http://bugs.gentoo.org/show_bug.cgi?id=199214
• http://osvdb.org/44748
• http://seclists.org/fulldisclosure/2007/Dec/0176.html
• http://seclists.org/fulldisclosure/2007/Dec/0321.html
• http://secunia.com/advisories/28636
• http://secunia.com/advisories/29457
• http://secunia.com/advisories/39290
• http://secunia.com/advisories/39784
• http://ubuntu.com/usn/usn-924-1
• http://wiki.rpath.com/Advisories:rPSA-2008-0112
• http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0112
• http://www.novell.com/linux/security/advisories/suse_security_summary_report.html
• http://www.securityfocus.com/archive/1/489883/100/0/threaded
• http://www.securityfocus.com/bid/26750
• http://www.ubuntu.com/usn/USN-940-1
• http://www.vupen.com/english/advisories/2010/1192
• https://issues.rpath.com/browse/RPL-2012

Affected products (1)

• cpe:2.3:a:mit:kerberos_5:-:*:*:*:*:*:*:*

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• CVE-2007-3999 — Critical (CVSS 10.0): Stack-based buffer overflow in the svcauth_gss_validate function in lib/rpc/svc_auth_gss.c in the RPCSEC_GSS RPC…

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