Malformed HTML lead to cpu and memory usage increase leading to crash loop

[Gedewon]

Hi team,

malformed HTML causes crash loop.

using markdown-to-jsx version: 7.1.3 and also on the latest version( v7.7.1 )

step to reproduce:

1. navigate to https://markdown-to-jsx.quantizor.dev/
2. paste the malformed html. (attached below)
3. browser will be unresponsive.

<h4>heading h4</h4>
</a>href="https://www.google.com" target="_blank"> some link</a> some text in between <a href="https://www.google.com/" target="_blank">Playstation 5</a>, asdf  <a href="https://www.google.com/blog/de/xbox-series-s-gamepass" target="_blank">Xbox Series S</a> asdf asdf </p>
<h4>heading h4</h4>
<p> some content <a href="https://www.google.com/de-de/gaming-and-vr/virtual-reality" target="_blank">VR-Brille</a> asdf p .</p>
<h4>some other heading h4</h4>
<p>valid paragraph
</p>
<h4> dull give need so held. One order all scale sense </h4>
<p>Bed sincerity yet therefore forfeited his certainty neglected questions. Pursuit chamber as elderly amongst on. Distant however warrant farther to of. My justice wishing prudent waiting in be. Comparison age not pianoforte increasing delightful now. Insipidity sufficient dispatched any reasonably led ask. Announcing if attachment resolution sentiments admiration me on diminution.
</p>
<p>Concerns greatest margaret him absolute entrance nay. Door neat week do find past he. Be no surprise he honoured indulged. Unpacked endeavor six steepest had husbands her. Painted no or affixed it so civilly. Exposed neither pressed so cottage as proceed at offices. Nay they gone sir game four. Favourable pianoforte oh motionless excellence of astonished we principles. Warrant present garrets limited cordial in inquiry to. Supported me sweetness behaviour shameless excellent so arranging.
</p>

is there any possible solution to this issue?

Thanks in advance!

[henrymcl]

looks like reDOS