CVE-2020-5274: Exceptions displayed in non-debug configurations in Symfony

medium Affects symfony/error-handler, symfony/symfony. Feed 2026.10.29.1, updated 2026-10-28; published 2020-03-30; advisory modified 2026-09-10.

Exceptions displayed in non-debug configurations in Symfony

Package: symfony/error-handler Composer
Affected versions: >=4.4.0 and <4.4.4 or >=5.0.0 and <5.0.4
Fixed in: 4.4.4, 5.0.4
Severity: medium CVSS 4.6
Exploitation: not on CISA KEV · EPSS 1% (68.0th percentile)
Published: 2020-03-30
Source: osv.dev

References

Exceptions displayed in non-debug configurations in Symfony

Package: symfony/symfony Composer
Affected versions: >=4.4.0 and <4.4.4 or >=5.0.0 and <5.0.4
Fixed in: 4.4.4, 5.0.4
Severity: medium CVSS 4.6
Exploitation: not on CISA KEV · EPSS 1% (68.0th percentile)
Published: 2020-03-30
Source: osv.dev

References

CWE-209

NVD record symfony/error-handler advisories symfony/symfony advisories

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