CVE-2023-25563 · cross-distro fix matrix

CVE-2023-25563: GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, multiple out-of-bounds reads when decoding NTLM fields can trigger a denial of service. A 32-bit integer overflow condition can lead to incorrect checks of consistency of length of in

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-25563 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

gss-ntlmssp→ fixed in1.2.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gss-ntlmssp
```

Debian trixie

Source: Debian Security Tracker

gss-ntlmssp→ fixed in1.2.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gss-ntlmssp
```

Are YOU affected by CVE-2023-25563?

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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Form-based quickscan View on NVD

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