Packagist symfony/security-core

Name: Packagist symfony/security-core
Brand: Packagist

productUS

pkg:composer/symfony/security-core

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

EPSS ≥ 10%

unpatched

by severity

3critical1high1medium0low

updated 2026-10-28

vulnerabilities (5)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-21424US	medium5.3	1.64% (76th)	Exploit	5.2.8	2021-05-13	3 versions
CVE-2016-2403US	critical9.8	4.29% (91st)	—	2.8.6	2017-02-07	2 versions
CVE-2018-11407US	critical9.8	2.37% (84th)	—	4.0.7	2018-06-13	4 versions
CVE-2016-1902US	high7.5	1.91% (80th)	—	2.7.9	2016-06-01	2 versions
CVE-2017-11365US	critical9.8	1.85% (79th)	—	3.3.5	2019-05-23	4 versions

The flaw types (CWEs) most of these CVEs share.

Which sources assert this record, and when.

scry

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