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Package details: pkg:composer/symfony/security@2.3.39
purl pkg:composer/symfony/security@2.3.39
Next non-vulnerable version 2.7.51
Latest non-vulnerable version 4.4.24
Risk 4.0
Vulnerabilities affecting this package (3)
Vulnerability Summary Fixed by
VCID-556v-rym3-6yax
Aliases:
CVE-2018-11406
GHSA-g4g7-q726-v5hg
Cross-Site Request Forgery (CSRF) By default, a user's session is invalidated when the user is logged out. This behavior can be disabled through the `invalidate_session` option. In this case, CSRF tokens were not erased during logout which allowed for CSRF token fixation.
2.7.48
Affected by 5 other vulnerabilities.
2.8.41
Affected by 3 other vulnerabilities.
3.3.17
Affected by 6 other vulnerabilities.
3.4.11
Affected by 3 other vulnerabilities.
4.0.11
Affected by 3 other vulnerabilities.
VCID-71vh-7wte-kfcx
Aliases:
CVE-2018-11385
GHSA-g4rg-rw65-8hfg
Session Fixation A session fixation vulnerability within the `Guard` login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.
2.7.48
Affected by 5 other vulnerabilities.
2.8.41
Affected by 3 other vulnerabilities.
3.3.17
Affected by 6 other vulnerabilities.
3.4.11
Affected by 3 other vulnerabilities.
4.0.11
Affected by 3 other vulnerabilities.
VCID-nsk8-bk5e-tbfh
Aliases:
CVE-2016-4423
GHSA-whgv-8cg3-7hcm
CVE-2016-4423: Large username storage in session The attemptAuthentication function in `Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php` does not limit the length of a username stored in a session, which allows remote attackers to cause a denial of service (session storage consumption) via a series of authentication attempts with long, non-existent usernames.
2.3.41
Affected by 2 other vulnerabilities.
2.7.13
Affected by 6 other vulnerabilities.
2.8.6
Affected by 8 other vulnerabilities.
3.0.6
Affected by 8 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-16T20:45:31.143219+00:00 GitLab Importer Affected by VCID-71vh-7wte-kfcx https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11385.yml 38.4.0
2026-04-16T20:45:29.938939+00:00 GitLab Importer Affected by VCID-556v-rym3-6yax https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11406.yml 38.4.0
2026-04-16T20:34:06.626367+00:00 GitLab Importer Affected by VCID-nsk8-bk5e-tbfh https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2016-4423.yml 38.4.0
2026-04-11T21:56:18.040145+00:00 GitLab Importer Affected by VCID-71vh-7wte-kfcx https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11385.yml 38.3.0
2026-04-11T21:56:16.661670+00:00 GitLab Importer Affected by VCID-556v-rym3-6yax https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11406.yml 38.3.0
2026-04-11T21:44:34.107342+00:00 GitLab Importer Affected by VCID-nsk8-bk5e-tbfh https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2016-4423.yml 38.3.0
2026-04-02T22:09:42.199592+00:00 GitLab Importer Affected by VCID-71vh-7wte-kfcx https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11385.yml 38.1.0
2026-04-02T22:09:40.972232+00:00 GitLab Importer Affected by VCID-556v-rym3-6yax https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11406.yml 38.1.0
2026-04-02T21:58:38.855965+00:00 GitLab Importer Affected by VCID-nsk8-bk5e-tbfh https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2016-4423.yml 38.1.0
2026-04-01T16:26:59.073881+00:00 GitLab Importer Affected by VCID-71vh-7wte-kfcx https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11385.yml 38.0.0
2026-04-01T16:26:57.648019+00:00 GitLab Importer Affected by VCID-556v-rym3-6yax https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2018-11406.yml 38.0.0
2026-04-01T16:15:54.320412+00:00 GitLab Importer Affected by VCID-nsk8-bk5e-tbfh https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/symfony/security/CVE-2016-4423.yml 38.0.0