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Vulnerability record · CVE-2019-11325 · published 21 November 2019

CVE-2019-11325: Sensiolabs symfony vulnerability

Sensiolabs · Symfony

An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8. The VarExport component incorrectly escapes strings, allowing some specially crafted ones to escalate to execution of arbitrary PHP code. This is related to symfony/var-exporter.

9.8 CVSS 3.1 Critical EPSS 3.4% · top 11.7% CWE-116 · CWE-116
9.8CVSS 3.1 base score, v2 7.5
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8. The VarExport component incorrectly escapes strings, allowing some specially crafted ones to escalate to execution of arbitrary PHP code. This is related to symfony/var-exporter.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/symfony/symfony/releases/tag/v4.3.8 Release NotesThird Party Advisory
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3 PatchThird Party Advisory
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter Vendor Advisory
https://symfony.com/blog/symfony-4-3-8-released Release NotesVendor Advisory
https://github.com/symfony/symfony/releases/tag/v4.3.8 Release NotesThird Party Advisory
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3 PatchThird Party Advisory
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter Vendor Advisory
https://symfony.com/blog/symfony-4-3-8-released Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-11325), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.