CVE-2023-37463: Quadratic complexity bugs may lead to a denial of service
First published: Thu Jul 13 2023(Updated: )
cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Github Cmark-gfm | <0.29.0.gfm.12 |
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Reference Links
Frequently Asked Questions
What is CVE-2023-37463?
CVE-2023-37463 is a vulnerability in cmark-gfm, an extended version of the C reference implementation of CommonMark.
How severe is CVE-2023-37463?
CVE-2023-37463 has a severity rating of 7.5, which is considered high.
What is affected by CVE-2023-37463?
CVE-2023-37463 affects cmark-gfm version 0.29.0.gfm.12 and earlier.
How can I fix CVE-2023-37463?
To fix CVE-2023-37463, update cmark-gfm to version 0.29.0.gfm.13 or later.
Where can I find more information about CVE-2023-37463?
You can find more information about CVE-2023-37463 on the GitHub security advisory page and the GitHub release page for cmark-gfm version 0.29.0.gfm.12.
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