CVE-2023-22486 · cross-distro fix matrix

CVE-2023-22486: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handle_close_bracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has

Affects 6 Linux releases across 9 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-22486 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

cmark-gfm→ fixed in0.29.0.gfm.13-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cmark-gfm
```
python-cmarkgfm→ fixed in2024.11.20-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python-cmarkgfm
```
r-cran-commonmark→ fixed in1.9.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y r-cran-commonmark
```
ruby-commonmarker→ fixed in0.23.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby-commonmarker
```

Alpine v3.20

Source: Alpine secdb

cmark→ fixed in0.30.3-r0
```
apk update && apk add --upgrade cmark
```

Alpine v3.21

Source: Alpine secdb

cmark→ fixed in0.30.3-r0
```
apk update && apk add --upgrade cmark
```

Alpine edge

Source: Alpine secdb

cmark→ fixed in0.30.3-r0
```
apk update && apk add --upgrade cmark
```

Alpine v3.18

Source: Alpine secdb

cmark→ fixed in0.30.3-r0
```
apk update && apk add --upgrade cmark
```

Alpine v3.19

Source: Alpine secdb

cmark→ fixed in0.30.3-r0
```
apk update && apk add --upgrade cmark
```

Are YOU affected by CVE-2023-22486?

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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