CVE-2009-4212
HIGH · CVSS 10.0EPSS 7.6%EU EUVD
Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3, and 1.7 before 1.7.1, allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by providing ciphertext with a length that is too short to be valid.
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-189
- EPSS score
- 7.6% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-4182)
- Published
- January 13, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-4182 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mit / kerberos
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
- mit / kerberos 5
References
- http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033915.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033919.html
- http://marc.info/?l=bugtraq&m=130497213107107&w=2
- http://secunia.com/advisories/38080
- http://secunia.com/advisories/38108
- http://secunia.com/advisories/38126
- http://secunia.com/advisories/38140
- http://secunia.com/advisories/38184
- http://secunia.com/advisories/38203
- http://secunia.com/advisories/38696
- http://secunia.com/advisories/40220
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-275530-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021779.1-1
- http://support.apple.com/kb/HT4188
- http://support.avaya.com/css/P8/documents/100074869
- http://ubuntu.com/usn/usn-881-1
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-004.txt(Patch, Vendor Advisory)
- http://www.debian.org/security/2010/dsa-1969
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:006
- http://www.securityfocus.com/bid/37749
- http://www.securitytracker.com/id?1023440
- http://www.vupen.com/english/advisories/2010/0096
- http://www.vupen.com/english/advisories/2010/0129
- http://www.vupen.com/english/advisories/2010/1481
- https://bugzilla.redhat.com/show_bug.cgi?id=545015(Patch)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11272
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7357
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8192
- https://rhn.redhat.com/errata/RHSA-2010-0029.html
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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