Is symfony/polyfill-php55 vulnerable?

Composer symfony/polyfill-php55 has 1 known advisory in the phpwarden feed. Feed 2026.10.29.4, updated 2026-10-29.

1advisories

0critical

0on CISA KEV

0no fix recorded

CVE	Title	Severity	CVSS	Affected	Fixed in
CVE-2013-5958	Possible DOS attack with long user-submitted passwords (correct fix for CVE-2013-5958)	unknown	0.0	`>=1.0.0` and `<1.10.0`	`1.10.0`

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# 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

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

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