EUVD-2026-218037

fkie_cve-2023-28626

comrak is a CommonMark + GFM compatible Markdown parser and renderer written in rust. A range of quadratic parsing issues are present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. This issue has been addressed in version 0.17.0. Users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as `GHSL-2023-047`

GHSA-8hqf-xjwp-p67v — Comrak vulnerable to quadratic runtime issues when parsing Markdown (GHSL-2023-047)

Affected: crates.io: comrak

### Impact A range of quadratic parsing issues from `cmark`/`cmark-gfm` are also present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown.

### Patches 0.17.0 contains fixes to known quadratic parsing issues.

### Workarounds

n/a

### References

* https://github.com/commonmark/cmark/issues/255 * https://github.com/commonmark/cmark/issues/389 * https://github.com/commonmark/cmark/issues/373 * https://github.com/commonmark/cmark/issues/299 * https://github.com/commonmark/cmark/issues/388 * https://github.com/commonmark/cmark/issues/284 * https://github.com/commonmark/cmark/issues/218 * https://github.com/commonmark/cmark/pull/232 * https://github.com/github/cmark-gfm/blob/c32ef78bae851cb83b7ad52d0fbff880acdcd44a/test/pathological_tests.py#L63-L65 * https://github.com/github/cmark-gfm/blob/c32ef78bae851cb83b7ad52d0fbff880acdcd44a/test/pathological_tests.py#L87-L89

Most recent entries from all

EUVD-2026-218037

fkie_cve-2023-28626

GHSA-8hqf-xjwp-p67v — Comrak vulnerable to quadratic runtime issues when parsing Markdown (GHSL-2023-047)

gsd-2023-28626