CVE-2026-22693 · cross-distro fix matrix

CVE-2026-22693: HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hb_malloc returns NULL before using placement new to construct an object at the

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

Fix per ecosystem

Each block below is a distro release where CVE-2026-22693 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

harfbuzz→ fixed in10.2.0-1+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y harfbuzz
```

Are YOU affected by CVE-2026-22693?

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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