Description
An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the ext/puma_http11/http11_parser.rl file
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 | puma | No fix yet | — |
| Debian 13 | puma | No fix yet | — |
| Debian 12 | puma | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | puma | No fix yet | — |
| Ubuntu 26.04 LTS | puma | No fix yet | — |
| Ubuntu 24.04 LTS | puma | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | puma | No fix yet | — |
| Ubuntu Pro 20.04 LTS | puma | No fix yet | — |