Is brotkrueml/codehighlight vulnerable?

Composer brotkrueml/codehighlight has 4 known advisories in the phpwarden feed. Feed 2026.10.29.4, updated 2026-10-29.

4advisories

0critical

0on CISA KEV

0no fix recorded

CVE	Title	Severity	CVSS	Affected	Fixed in
GHSA-4cv2-xc5f-px8h	Denial of Service in extension "Code Highlight" (codehighlight)	medium	5.0	`<2.5.0`	`2.5.0`
GHSA-65xh-hh78-6454	Denial of Service in extension "Code Highlight" (codehighlight)	medium	5.0	`<2.7.0`	`2.7.0`
2021-03-16-1	Regular expression Denial of Service	unknown	0.0	`<2.5.0`	`2.5.0`
2021-11-10-1	Regular expression Denial of Service	unknown	0.0	`<2.7.0`	`2.7.0`

Am I affected?

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

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