CVE-2026-48988 CVE-2026-2327 markdown-it is has a Regular Expression Denial of Service (ReDoS)

[dependabot]

Bumps markdown-it from 14.1.0 to 14.2.0.

Changelog

Sourced from markdown-it's changelog.

[14.2.0] - 2026-05-24

Added

• isPunctCharCode to utilities.

Fixed

• Don't end HTML comment blocks on a blank line, #1155.
• Properly recognize astral chars (surrogates) in delimiter scans for emphasis-like markers, #1072. Big thanks to @​tats-u for his global efforts with improving CJK support.
• Preserve unicode whitespaces when trimm headings/paragraphs, #1074.
• More strict entities decode to avoid false positives ;, #1096.
• Restore block parser state on fail in lheading rule, #1131.

Security

• Fixed poor smartquotes perfomance on > 70k quotes in single block
• Bumped linkify-it to 5.0.1 with fixed potential perfomance issues.

[14.1.1] - 2026-01-11

Security

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

Commits

• 829797a 14.2.0 released
• 9ce2087 Fix smartquotes perfomance
• 02e73b8 linkify-it bump
• 68cfb8c fix: don't end HTML comment blocks on a blank line (#1155)
• 1083137 Readme cleanup
• 97c7ca2 Update funding info
• c471b55 Changelog update
• 7769621 isPunctChar => isPunctCharCode
• aa2aa70 fix: always reset parentType in lheading rule (#1131)
• 59955f2 Polish PRs #1072, #1074
• Additional commits viewable in compare view