Composer php-standard-library/h2 has 1 known advisory in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.
| CVE | Title | Severity | CVSS | Affected | Fixed in |
|---|---|---|---|---|---|
| CVE-2026-48979 | PHP Standard Library: HTTP/2 server-side missing content-length validation enables request smuggling | high | 7.5 | >=6.1.0 and <6.1.2 or >=6.2.0 and <6.2.1 | 6.1.2, 6.2.1 |
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.
# one-time install pip install phpwarden # then 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