Packagist symfony/security

Name: Packagist symfony/security
Brand: Packagist

productUS

pkg:composer/symfony/security

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

KEV-listed

EPSS ≥ 10%

unpatched

by severity

3critical7high7medium0low

updated 2026-10-28

vulnerabilities (17)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-21424US	medium5.3	1.64% (76th)	Exploit	3.4.49	2021-05-13	3 versions
CVE-2016-2403US	critical9.8	4.29% (91st)	—	2.8.6	2017-02-07	2 versions
CVE-2015-8124US	medium6.8	2.71% (86th)	—	2.6.12	2015-12-07	3 versions
CVE-2015-8125US	high7.5	2.54% (85th)	—	2.6.12	2015-12-07	3 versions
CVE-2018-11407US	critical9.8	2.37% (84th)	—	4.0.7	2018-06-13	4 versions
CVE-2018-11385US	high8.1	1.97% (80th)	—	3.3.17	2018-06-13	5 versions
CVE-2016-1902US	high7.5	1.91% (80th)	—	2.6.13	2016-06-01	3 versions
CVE-2012-6431US	medium6.4	1.88% (79th)	—	2.0.19	2012-12-27	2.0.0 → 2.0.19
CVE-2013-5958US	medium5.0	1.87% (79th)	—	2.1.13	2014-12-27	4 versions
CVE-2016-4423US	high7.5	1.86% (79th)	—	3.0.6	2016-06-01	4 versions
CVE-2017-11365US	critical9.8	1.85% (79th)	—	3.2.12	2019-05-23	4 versions
CVE-2017-16653US	medium5.9	1.49% (74th)	—	2.7.38	2018-08-06	4 versions
CVE-2018-19790US	medium6.1	1.49% (74th)	—	2.8.49	2018-12-18	6 versions
CVE-2019-10911US	high7.5	1.21% (68th)	—	4.2.7	2019-05-16	5 versions
CVE-2020-5275US	high8.1OT elevated	1.15% (67th)	—	5.0.7	2020-03-30	2 versions
CVE-2017-16652US	medium6.1	0.77% (55th)	—	2.7.38	2018-06-13	4 versions
CVE-2018-11406US	high8.8	0.75% (55th)	—	4.0.11	2018-06-13	5 versions

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

Which sources assert this record, and when.

scry

Products carry known vulnerabilities once they are exposed to the internet. See what is exposed on your perimeter with a free passive scan.