Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 might allow remote attackers to have unspecified impact via a timing attack involving…
Full advisory text at GitHub advisory or NVD.
packagist package report
Is symfony/form safe?
symfony/form (packagist) has 3 known vulnerabilities, the worst rated HIGH. Upgrade to 3.4.20 or later to clear all of them. No malicious-package signal is recorded.
// reach
0 direct dependencies
none carry a known advisory
0 packages depend on it
dependents not yet indexed for this ecosystem
Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so packagist packages are not covered.
cvss
7.5
high
severity band, no base score published
epss
2.5%
medium
chance of exploitation in 30 days, 85th percentile of all CVEs
xyz score
3.4
low
CyberXYZ composite out of 10
fig. 01 — GHSA-g97c-jfx6-xvxh, the advisory selected below
// 3 advisories
Is symfony/form safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 3 known vulnerabilities for symfony/form (packagist), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does symfony/form have known vulnerabilities?
Yes. CyberXYZ records 3 known vulnerabilities for symfony/form (packagist), the worst rated HIGH. They are GHSA-g97c-jfx6-xvxh, GHSA-cqqh-94r6-wjrg, GHSA-x3cf-w64x-4cp2.
Which version of symfony/form should I use?
3.4.20 or later clears every advisory recorded for symfony/form (packagist). Check the release you pick before installing it.
How do I check symfony/form before installing?
Search symfony/form in CyberXYZ Check at https://cyberxyz.io/check?q=symfony%2Fform. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 11:15 UTC. The most recent advisory here was published 2022-05-17. Updated continuously from NVD, GHSA, OSV and CNA feeds.