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The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.2, and 1.8 alpha, allows remote attackers to cause a denial of service (assertion failure and daemon crash) via an invalid (1) AS-REQ or (2) TGS-REQ request.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Kerberos | — | Upgrade macOS to the latest version | Dec 16, 2011 | Feb 22, 2010 |
| Debian | — | Upgrade krb5 | Jul 30, 2024 | Feb 22, 2010 |
| Freebsd | — | Upgrade krb5 | Dec 10, 2025 | Apr 19, 2010 |
| Gentoo Linux | — | Upgrade app-crypt/mit-krb5. | Oct 30, 2017 | Feb 22, 2010 |
| Suse | — | Upgrade krb5Upgrade krb5-32bitUpgrade krb5-docUpgrade krb5-plugin-kdb-ldapUpgrade krb5-plugin-preauth-otpUpgrade krb5-plugin-preauth-spakeUpgrade krb5-plugin-preauth-pkinitUpgrade krb5-develUpgrade krb5-serverUpgrade krb5-client | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade libgssapi-krb5-2Upgrade krb5-kdc | Nov 8, 2024 | Feb 22, 2010 |
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