CVE-2023-36054 · cross-distro fix matrix

CVE-2023-36054: lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_dat

Affects 4 Linux releases across 4 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-36054 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

krb5→ fixed in1.18.3-6+deb11u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y krb5
```

Debian bookworm

Source: Debian Security Tracker

krb5→ fixed in1.20.1-2+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y krb5
```

Debian trixie

Source: Debian Security Tracker

krb5→ fixed in1.20.1-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y krb5
```

Alpine v3.18

Source: Alpine secdb

krb5→ fixed in1.20.2-r0
```
apk update && apk add --upgrade krb5
```

Are YOU affected by CVE-2023-36054?

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.

curl https://mindsparkstack.com/scan.sh | bash

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