Description
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, a vulnerability would allow an attacker to authenticate as a privileged user on sites with user registration and remember me login functionality enabled. This is related to symfony/security.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | symfony | 3.4.22+dfsg-2 | — |
| Debian 13 | symfony | 3.4.22+dfsg-2 | — |
| Debian 12 | symfony | 3.4.22+dfsg-2 | — |
| Debian 9 | symfony | 2.8.7+dfsg-1.3+deb9u2 | DSA-4441-1 |
| Debian 8 | symfony | 2.3.21+dfsg-4+deb8u5 | DLA-1778-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | symfony | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | symfony | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | symfony/security | >= 2.7.0, < 2.7.51 | 2.7.51 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security | >= 2.8.0, < 2.8.50 | 2.8.50 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security | >= 3.0.0, < 3.4.26 | 3.4.26 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security | >= 4.0.0, < 4.1.12 | 4.1.12 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security | >= 4.2.0, < 4.2.7 | 4.2.7 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security-http | >= 2.7.0, < 2.7.51 | 2.7.51 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security-http | >= 2.8.0, < 2.8.50 | 2.8.50 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security-http | >= 3.0.0, < 3.4.26 | 3.4.26 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security-http | >= 4.0.0, < 4.1.12 | 4.1.12 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/security-http | >= 4.2.0, < 4.2.7 | 4.2.7 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/symfony | >= 2.7.0, < 2.7.51 | 2.7.51 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/symfony | >= 2.8.0, < 2.8.50 | 2.8.50 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/symfony | >= 3.0.0, < 3.4.26 | 3.4.26 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/symfony | >= 4.0.0, < 4.1.12 | 4.1.12 | GHSA-cchx-mfrc-fwqr |
| Packagist | symfony/symfony | >= 4.2.0, < 4.2.7 | 4.2.7 | GHSA-cchx-mfrc-fwqr |
Advisories 3
- DSA-4441-1 symfony - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1778-1 symfony - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2022-1948 Drupal: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 11, 2024