Description
Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | pure-ftpd | No fix yet | — |
| Ubuntu 25.10 | pure-ftpd | No fix yet | — |
| Ubuntu 24.04 LTS | pure-ftpd | No fix yet | — |
| Ubuntu 22.04 LTS | pure-ftpd | No fix yet | — |
| Ubuntu 20.04 LTS | pure-ftpd | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | pure-ftpd | No fix yet | — |
| Ubuntu 16.04 LTS | pure-ftpd | No fix yet | — |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Pure-FTPd 1.0.48 - Denial of Service network/cves/2020/CVE-2020-35359.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.