GHSA-pff4-9qxc-79mq

GHSA-pff4-9qxc-79mq PUBLISHED CVSS 5.300000190734863 MEDIUM

Record from GitHub Advisory Database · Published June 23, 2025

A vulnerability was found in CodeMirror up to 5.17.0 and classified as problematic. Affected by this issue is some unknown functionality of the file mode/markdown/markdown.js of the component Markdown Mode. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Not all code samples mentioned in the GitHub issue can be found. The repository mentions, that "CodeMirror 6 exists, and is [...] much more actively maintained."

Risk scores

CVSS 3.1

5.300000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Timeline

Jun 23, 2025 CVE Published
May 1, 2026 Security Advisory

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The same record, from the CLI:

vulnetix vdb vuln GHSA-pff4-9qxc-79mq
vulnetix vdb fixes GHSA-pff4-9qxc-79mq

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-pff4-9qxc-79mq/fixes/registry"

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