Varnish Cache 5.1 lifecycle
Current status
Varnish Cache 5.1 reached end of life on 15 Mar 2017. Security and bug fixes are no longer provided by the project according to published lifecycle data.
This line is end of life.
Plan your upgrade →Security: 1 tracked advisories affecting this line. Details below — lifecycle and vulnerability status are separate.
Official lifecycle source: Vinyl Cache / Varnish Releases
- Support phase
- end of life
- End of life
- 15 Mar 2017
- Latest release
- 5.1.3
- Released
- 1 Aug 2017
At a glance
- Version line
- 5.1
- Initial release
- 15 Mar 2017
- Lifecycle phase
- end of life
- Latest stable
- 5.1.3
- Latest release date
- 1 Aug 2017
- EOL
- 15 Mar 2017
- Risk
- high
- Releases tracked
- 4
Lifecycle timeline
Phases from published LifecyclePeriod records. Missing phases are not inferred.
Release
15 Mar 2017
end of lifecurrent
15 Mar 2017 → —
Source: Vinyl Cache / Varnish Releases
Varnish Cache 5.1 reached end of life on 15 Mar 2017. Security and bug fixes are no longer provided by the project according to published lifecycle data.
Upgrade options
Newer supported Varnish Cache version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.
You are on Varnish Cache 5.1
End of lifeEOL 15 March 2017
Supported upgrade options
- Varnish Cache 6.0Upgrade planner →Supported· 1 major version newer
- Varnish Cache 9.0Upgrade planner →SupportedEOL 16 March 2027· ~120 months more support· 4 major versions newer
- Varnish Cache 8.0Upgrade planner →SupportedEOL 15 September 2026· ~114 months more support· 3 major versions newer
Security
Advisories affecting Varnish Cache 5.1 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.
- Known vulnerabilities
- 1
- Known exploited
- 0
- Highest CVSS
- —
- CVE-2025-30346
- Affected:
- <7.6.2
- Fixed in:
- 7.6.2
- Source:
- OSV source · Advisory
Latest release
5.1.3
Released 1 Aug 2017 · stable
https://github.com/varnishcache/varnish-cache/releases/tag/varnish-5.1.3Previous releases
5.1.2
7 Apr 2017
5.1.1
16 Mar 2017
5.1.0
15 Mar 2017
Release history
4 concrete releases tracked for this line.
Release activity
- Total releases
- 4
- Last 30 days
- 0
- Last 90 days
- 0
- Avg. interval
- ~46 days
- Most recent
- 1 Aug 2017
Should I use this version?
Not recommended for new deployments
Upgrade to a currently supported release line. Recommended target: Varnish Cache 6.0.
Version comparison
Compact comparison against the nearest relevant release lines.
Sources
Where this information comes from.
Lifecycle sources
- Vinyl Cache / Varnish Releasesfirst party · high confidence
Official source: https://vinyl-cache.org/releases/
Last verified 2 Sept 2026
- CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Verification time not recorded
- NVD (NIST)first party
Official source: https://nvd.nist.gov
Verification time not recorded
- OSV.devfirst party
Official source: https://osv.dev
Verification time not recorded
Release sources
- Vinyl Cache / Varnish Releasesfirst party · high confidence
Official source: https://vinyl-cache.org/releases/
Last verified 2 Sept 2026
- Varnish Cache GitHub Tagsfirst party
Official source: https://github.com/varnishcache/varnish-cache/tags
Verification time not recorded
Data coverage
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Releases tracked
- 4
- Lifecycle periods
- 1
- EOL
- Known
- Provenance records
- 2
- Data last checked
- 2 Sept 2026
- Latest source update
- 2 Sept 2026