CVE-2023-4255 · cross-distro fix matrix

CVE-2023-4255: An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resul

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-4255 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

w3m→ fixed in0.5.3+git20230121-2.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y w3m
```

Are YOU affected by CVE-2023-4255?

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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