CVE-2021-42715 · cross-distro fix matrix

CVE-2021-42715: An issue was discovered in stb stb_image.h 1.33 through 2.27. The HDR loader parsed truncated end-of-file RLE scanlines as an infinite sequence of zero-length runs. An attacker could potentially have caused denial of service in applications using stb_image by submitting crafted HDR files.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-42715 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libstb→ fixed in0.0~git20200713.b42009b+ds-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libstb
```

Debian trixie

Source: Debian Security Tracker

libstb→ fixed in0.0~git20230129.5736b15+ds-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libstb
```

Are YOU affected by CVE-2021-42715?

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

Continuous monitoring beats manual checking

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