[Security] Bump highlight.js from 9.12.0 to 9.18.5

[dependabot-preview]

Bumps highlight.js from 9.12.0 to 9.18.5. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Prototype Pollution in highlight.js

Impact

Affected versions of this package are vulnerable to Prototype Pollution. A malicious HTML code block can be crafted that will result in prototype pollution of the base object's prototype during highlighting. If you allow users to insert custom HTML code blocks into your page/app via parsing Markdown code blocks (or similar) and do not filter the language names the user can provide you may be vulnerable.

The pollution should just be harmless data but this can cause problems for applications not expecting these properties to exist and can result in strange behavior or application crashes, i.e. a potential DOS vector.

If your website or application does not render user provided data it should be unaffected.

Patches

Versions 9.18.2 and 10.1.2 and newer include fixes for this vulnerability. If you are using version 7 or 8 you are encouraged to upgrade to a newer release.

Workarounds

Patch your library

Manually patch your library to create null objects for both languages and aliases:

const HLJS = function(hljs) {
</tr></table> ... (truncated)
Affected versions: < 9.18.2

Release notes

Sourced from highlight.js's releases.

10.3.2 - Oops, "Javascript".

Tiny tiny release, just to fix the website incorrectly not listing Javascript in the list of languages you could choose for a custom build. NPM and CDN build should not have been affected so 10.3.1 is effectively the same as 10.3.2 for those builds.

If you made a custom build from the website with 10.3 or 10.3.1 you may want to check and make sure it includes Javascript, and if not, build it again.

9.18.1 - Brrrrr, it’s freezing.

Quick release to resolve #2375

Changelog

Sourced from highlight.js's changelog.

Release v9.18.5

Version 9 has reached end-of-support and will not receive future updates or fixes.

Please see VERSION_10_UPGRADE.md and perhaps SECURITY.md.

• enh: Post-install script can be disabled with HLJS_HIDE_UPGRADE_WARNING=yes
• fix: Deprecation notice logged at library startup a console.log vs console.warn.
  • Notice only shown if actually highlighting code, not just requiring the library.
  • Node.js treats warn the same as error and that was problematic.
  • You (or perhaps your indirect dependency) may disable the notice with the hideUpgradeWarningAcceptNoSupportOrSecurityUpdates option
  • You can also set HLJS_HIDE_UPGRADE_WARNING=yes in your envionment to disable the warning

Example:

hljs.configure({
  hideUpgradeWarningAcceptNoSupportOrSecurityUpdates: true
})

Reference: highlightjs/highlight.js#2877

Release v9.18.4

Version 9 has reached end-of-support and will not receive future updates or fixes.

Please see VERSION_10_UPGRADE.md and perhaps SECURITY.md.

• fix(livescript) fix potential catastrophic backtracking (#2852) [commit]

Version 9.18.3

• fix(parser) Freezing issue with illegal 0 width illegals (#2524)
  • backported from v10.x

Version 9.18.2

Fixes:

• fix(night) Prevent object prototype values from being returned by getLanguage (#2636) night

Commits

• f54e96c 9.18.5
• c34318b fix the link since i saw it
• d2e9bdd include date of last release
• f5e0645 typos and tweaks
• 2e0e8ee changelog
• dc45f7c fix(livescript) fix potential catastrophic backtracking
• 0a2624a update readme
• d571b23 add warning
• ec0bfd5 9.18.4
• 2a04835 bump v9.18.3
• Additional commits viewable in compare view

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