CVE-2016-2191 · cross-distro fix matrix

CVE-2016-2191: The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

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

Fix per ecosystem

Each block below is a distro release where CVE-2016-2191 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

optipng→ fixed in0.7.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y optipng
```

Debian bookworm

Source: Debian Security Tracker

optipng→ fixed in0.7.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y optipng
```

Debian trixie

Source: Debian Security Tracker

optipng→ fixed in0.7.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y optipng
```

Are YOU affected by CVE-2016-2191?

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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