Symfony version lifecycle
framework · Symfony SAS
Current status
Supported version lines, end-of-life status, and latest releases for Symfony — derived from official vendor sources, not third-party EOL aggregators.
Symfony is a PHP framework and set of reusable components for web applications, with LTS releases every two years.
Security: 12 tracked advisories. Details below — lifecycle and vulnerability status are separate.
Official site →Version lines
27
Supported
27
EOL lines
0
Latest stable
8.1.6
2026-08-30
Releases tracked
551
At a glance
Latest release
8.1.6
Line 8.1
Recommended support line
7.4
standard support
Status
STANDARD SUPPORT
Newest supported: 8.1
EOL
Not published
Exact date not officially published
Recommended line: 7.4LTS (newest supported line with lowest lifecycle risk — not blindly “latest”).
Supported versions
27 currently supported release lines.
| Version line | Lifecycle | Latest release | Released | EOL | Risk |
|---|---|---|---|---|---|
| 8.1 | standard supportlow | 8.1.6 | 2026-08-30 | Not officially published | low |
| 8.0 | standard supportlow | 8.0.16 | 2026-07-29 | Not officially published | low |
| 7.4LTS | standard supportlow | 7.4.18 | 2026-08-30 | Not officially published | low |
| 7.3 | standard supportlow | 7.3.11 | 2026-01-28 | Not officially published | low |
| 7.2 | standard supportlow | 7.2.9 | 2025-07-31 | Not officially published | low |
| 7.1 | standard supportlow | 7.1.11 | 2025-01-29 | Not officially published | low |
| 7.0 | standard supportlow | 7.0.10 | 2024-07-26 | Not officially published | low |
| 6.4LTS | standard supportlow | 6.4.45 | 2026-08-30 | Not officially published | low |
| 6.3 | standard supportlow | 6.3.12 | 2024-01-31 | Not officially published | low |
| 6.2 | standard supportlow | 6.2.14 | 2023-07-31 | Not officially published | low |
| 6.1 | standard supportlow | 6.1.12 | 2023-02-01 | Not officially published | low |
| 6.0 | standard supportlow | 6.0.20 | 2023-02-01 | Not officially published | low |
| 5.4LTS | security supportmedium | 5.4.53 | 2026-05-27 | Not officially published | medium |
| 5.3 | standard supportlow | 5.3.16 | 2022-03-01 | Not officially published | low |
| 5.2 | standard supportlow | 5.2.14 | 2021-07-29 | Not officially published | low |
| 5.1 | standard supportlow | 5.1.11 | 2021-01-27 | Not officially published | low |
| 5.0 | standard supportlow | 5.0.11 | 2020-07-24 | Not officially published | low |
| 4.4LTS | standard supportlow | 4.4.51 | 2023-11-10 | Not officially published | low |
| 4.3 | standard supportlow | 4.3.11 | 2020-01-31 | Not officially published | low |
| 4.2 | standard supportlow | 4.2.12 | 2019-11-13 | Not officially published | low |
| 4.1 | standard supportlow | 4.1.12 | 2019-04-17 | Not officially published | low |
| 4.0 | standard supportlow | 4.0.15 | 2018-12-06 | Not officially published | low |
| 3.4LTS | standard supportlow | 3.4.49 | 2021-05-19 | Not officially published | low |
| 3.3 | standard supportlow | 3.3.18 | 2018-08-01 | Not officially published | low |
| 3.2 | standard supportlow | 3.2.14 | 2017-11-17 | Not officially published | low |
| 2.8 | standard supportlow | 2.8.52 | 2019-11-13 | Not officially published | low |
| 2.7 | standard supportlow | 2.7.51 | 2019-04-17 | Not officially published | low |
Lifecycle overview
Support windows from official lifecycle periods. Empty segments mean no dated period for that phase.
- 8.1standard supportstandard support
- 8.0standard supportstandard support
- 7.4LTSstandard supportstandard support
- 7.3standard supportstandard support
- 7.2standard supportstandard support
- 7.1standard supportstandard support
- 7.0standard supportstandard support
- 6.4LTSstandard supportstandard support
- 6.3standard supportstandard support
- 6.2standard supportstandard support
- 6.1standard supportstandard support
- 6.0standard supportstandard support
- 5.4LTSsecurity supportsecurity support
- 5.3standard supportstandard support
- 5.2standard supportstandard support
- 5.1standard supportstandard support
Showing 16 of 27 lines with lifecycle periods. See the directory below for the full list.
Known vulnerabilities
Recent OSV.dev advisories mapped to this product. CVSS/CWE from NVD and known-exploited status from CISA KEV when available. CompatHub is not the original vulnerability authority.
- CVE-2026-45067
Symfony: Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address
- Affected:
- >=8.0.0-BETA1,<8.0.12
- Fixed in:
- 8.0.12
- Source:
- OSV source · Advisory
- CVE-2026-24739
Symfony has incorrect argument escaping under MSYS2/Git Bash on Windows that can lead to destructive file operations
- Affected:
- >=8.0.0,<8.0.5
- Fixed in:
- 8.0.5
- Source:
- OSV source · Advisory
- CVE-2024-36611
- Affected:
- <a804ca15fcad279d7727b91d12a667fd5b925995
- Fixed in:
- a804ca15fcad279d7727b91d12a667fd5b925995
- Source:
- OSV source · Advisory
- CVE-2024-51996
Symphony has an Authentication Bypass via RememberMe
- Affected:
- >=7.0.0-BETA1,<7.1.8
- Fixed in:
- 7.1.8
- Source:
- OSV source · Advisory
- CVE-2024-50340
Ability to change environment from query in symfony/runtime
- Affected:
- >=7.0.0,<7.1.7
- Fixed in:
- 7.1.7
- Source:
- OSV source · Advisory
- CVE-2024-50341
Security::login does not take into account custom user_checker in symfony/security-bundle
- Affected:
- >=7.1.0,<7.1.3
- Fixed in:
- 7.1.3
- Source:
- OSV source · Advisory
- CVE-2024-50343
Incorrect response from Validator when input ends with `\n` in symfony/validator
- Affected:
- >=7.0.0,<7.1.4
- Fixed in:
- 7.1.4
- Source:
- OSV source · Advisory
- CVE-2022-23601
CSRF token missing in Symfony
- Affected:
- >=6.0.0,<6.0.4
- Fixed in:
- 6.0.4
- Source:
- OSV source · Advisory
- CVE-2021-41270
- Affected:
- >=5.0.0,<5.3.12
- Fixed in:
- 5.3.12
- Source:
- OSV source · Advisory
- CVE-2021-41268
- Affected:
- >=5.3.0,<5.3.12
- Fixed in:
- 5.3.12
- Source:
- OSV source · Advisory
- CVE-2021-41267
- Affected:
- >=5.2.0,<5.3.12
- Fixed in:
- 5.3.12
- Source:
- OSV source · Advisory
- CVE-2021-32693
- Affected:
- >=5.3.0,<5.3.2
- Fixed in:
- 5.3.2
- Source:
- OSV source
Compare versions
Side-by-side view of the most relevant release lines.
Recent releases
Latest release date 2026-08-30 · 8 in last 30 days · 18 in last 90 days
- 2026-08-30
- 2026-08-30
- 2026-08-30
- 2026-08-22
- 2026-08-22
- 2026-08-22
- 2026-08-07
- 2026-08-07
- 2026-07-29
- 2026-07-29
Should I upgrade?
Current versions are supported
The preferred supported release line is Symfony 7.4 (standard support).
Compatibility
Evidence-backed Symfony compatibility results from declared requirements — open the Compatibility Explorer for the full matrix.
Data coverage
- Version lines
- 27
- Concrete releases
- 551
- Supported lines
- 27
- EOL lines
- 0
- Lifecycle coverage
- 27/27
- EOL coverage
- 0/27
- Provenance coverage
- 27/27
Data freshness
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Data last checked
- 2026-08-31
- Latest source update
- 2026-08-31
Sources
First-party and other registered sources contributing release and lifecycle facts.
- Symfony GitHub Releasesfirst party · high
Official source: https://api.github.com/repos/symfony/symfony/releases
Last verified 2026-08-31
- OSV.devfirst party
Official source: https://osv.dev
Last checked 2026-08-31
- NVD (NIST)first party
Official source: https://nvd.nist.gov
Last checked 2026-08-31
- CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Last checked 2026-08-31
- Symfony releases.jsonfirst party
Official source: https://symfony.com/releases.json
Last checked 2026-08-31
Version line directory
Complete navigation into detailed version-line pages.
Currently supported
| Version line | Status | Latest release | Released | EOL |
|---|---|---|---|---|
| 8.1 | standard supportlow | 8.1.6 | 2026-08-30 | Not officially published |
| 8.0 | standard supportlow | 8.0.16 | 2026-07-29 | Not officially published |
| 7.4LTS | standard supportlow | 7.4.18 | 2026-08-30 | Not officially published |
| 7.3 | standard supportlow | 7.3.11 | 2026-01-28 | Not officially published |
| 7.2 | standard supportlow | 7.2.9 | 2025-07-31 | Not officially published |
| 7.1 | standard supportlow | 7.1.11 | 2025-01-29 | Not officially published |
| 7.0 | standard supportlow | 7.0.10 | 2024-07-26 | Not officially published |
| 6.4LTS | standard supportlow | 6.4.45 | 2026-08-30 | Not officially published |
| 6.3 | standard supportlow | 6.3.12 | 2024-01-31 | Not officially published |
| 6.2 | standard supportlow | 6.2.14 | 2023-07-31 | Not officially published |
| 6.1 | standard supportlow | 6.1.12 | 2023-02-01 | Not officially published |
| 6.0 | standard supportlow | 6.0.20 | 2023-02-01 | Not officially published |
| 5.4LTS | security supportmedium | 5.4.53 | 2026-05-27 | Not officially published |
| 5.3 | standard supportlow | 5.3.16 | 2022-03-01 | Not officially published |
| 5.2 | standard supportlow | 5.2.14 | 2021-07-29 | Not officially published |
| 5.1 | standard supportlow | 5.1.11 | 2021-01-27 | Not officially published |
| 5.0 | standard supportlow | 5.0.11 | 2020-07-24 | Not officially published |
| 4.4LTS | standard supportlow | 4.4.51 | 2023-11-10 | Not officially published |
| 4.3 | standard supportlow | 4.3.11 | 2020-01-31 | Not officially published |
| 4.2 | standard supportlow | 4.2.12 | 2019-11-13 | Not officially published |
| 4.1 | standard supportlow | 4.1.12 | 2019-04-17 | Not officially published |
| 4.0 | standard supportlow | 4.0.15 | 2018-12-06 | Not officially published |
| 3.4LTS | standard supportlow | 3.4.49 | 2021-05-19 | Not officially published |
| 3.3 | standard supportlow | 3.3.18 | 2018-08-01 | Not officially published |
| 3.2 | standard supportlow | 3.2.14 | 2017-11-17 | Not officially published |
| 2.8 | standard supportlow | 2.8.52 | 2019-11-13 | Not officially published |
| 2.7 | standard supportlow | 2.7.51 | 2019-04-17 | Not officially published |