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Debian LTS Advisory DLA-3213-1                [email protected]
https://www.debian.org/lts/security/                           Chris Lamb
November 29, 2022                             https://wiki.debian.org/LTS
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Package        : krb5
Version        : 1.17-3+deb10u5
CVE ID         : CVE-2022-42898
Debian Bug     : 1024267

It was discovered that there was a potential Denial of Service (DoS)
attack against krb5, a suite of tools implementing the Kerberos
authentication system. An integer overflow in PAC parsing could have
been exploited if a cross-realm entity acted maliciously.

For Debian 10 buster, this problem has been fixed in version
1.17-3+deb10u5.

We recommend that you upgrade your krb5 packages.

For the detailed security status of krb5 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/krb5

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS