CVE-2012-1013 · cross-distro fix matrix

CVE-2012-1013: The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create requ

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2012-1013 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

krb5→ fixed in1.10.1+dfsg-3urgency: low

sudo apt-get install --only-upgrade -y krb5

Debian bookworm

Source: Debian Security Tracker

krb5→ fixed in1.10.1+dfsg-3urgency: low

sudo apt-get install --only-upgrade -y krb5

Debian trixie

Source: Debian Security Tracker

krb5→ fixed in1.10.1+dfsg-3urgency: low

sudo apt-get install --only-upgrade -y krb5

Are YOU affected by CVE-2012-1013?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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