CVE-2026-33164 · cross-distro fix matrix

CVE-2026-33164: libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a malformed H.265 PPS NAL unit causes a segmentation fault in pic_parameter_set::set_derived_values(). This issue has been patched in version 1.0.17.

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

Fix per ecosystem

Each block below is a distro release where CVE-2026-33164 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libde265→ fixed in1.0.11-0+deb11u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libde265
```

Are YOU affected by CVE-2026-33164?

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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