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Update dependency markdown-it to v14.1.1 [SECURITY] (master)#2579

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Update dependency markdown-it to v14.1.1 [SECURITY] (master)#2579
renovate[bot] wants to merge 1 commit intomasterfrom
renovate/master-npm-markdown-it-vulnerability

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@renovate renovate Bot commented Apr 13, 2026

This PR contains the following updates:

Package Change Age Confidence
markdown-it 14.1.014.1.1 age confidence

markdown-it is has a Regular Expression Denial of Service (ReDoS)

CVE-2026-2327 / GHSA-38c4-r59v-3vqw

More information

Details

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the use of the regex /*+$/ in the linkify function. An attacker can supply a long sequence of * characters followed by a non-matching character, which triggers excessive backtracking and may lead to a denial-of-service condition.

Severity

  • CVSS Score: 5.5 / 10 (Medium)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

markdown-it/markdown-it (markdown-it)

v14.1.1

Compare Source

Security
  • Fixed regression from v13 in linkify inline rule. Specific patterns could
    cause high CPU use. Thanks to @​ltduc147 for report.

Configuration

📅 Schedule: (UTC)

  • Branch creation
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  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Enabled.

Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot force-pushed the renovate/master-npm-markdown-it-vulnerability branch 2 times, most recently from 3823f2c to 462c784 Compare April 16, 2026 08:28
@renovate renovate Bot force-pushed the renovate/master-npm-markdown-it-vulnerability branch 2 times, most recently from 2d6f108 to 13d2150 Compare April 18, 2026 12:25
@renovate renovate Bot changed the title Update dependency markdown-it to v14.1.1 [SECURITY] (master) Update dependency markdown-it to v14.1.1 [SECURITY] (master) - autoclosed Apr 27, 2026
@renovate renovate Bot closed this Apr 27, 2026
@renovate renovate Bot deleted the renovate/master-npm-markdown-it-vulnerability branch April 27, 2026 21:01
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@renovate renovate Bot changed the title Update dependency markdown-it to v14.1.1 [SECURITY] (master) - autoclosed Update dependency markdown-it to v14.1.1 [SECURITY] (master) Apr 28, 2026
@renovate renovate Bot reopened this Apr 28, 2026
@renovate renovate Bot force-pushed the renovate/master-npm-markdown-it-vulnerability branch 2 times, most recently from 13d2150 to be2df0d Compare April 28, 2026 06:48
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