CVE-2026-4897 · cross-distro fix matrix

CVE-2026-4897: A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for th

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-4897 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

policykit-1→ fixed in0.105-31+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y policykit-1
```

Are YOU affected by CVE-2026-4897?

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

Form-based quickscan View on NVD

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