Description
ngx_http_lua_module (aka lua-nginx-module) before 0.10.16 in OpenResty allows unsafe characters in an argument when using the API to mutate a URI, or a request or response header.
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 | nginx | 1.22.0-3 | — |
| Debian 13 | nginx | 1.22.0-3 | — |
| Debian 12 | nginx | 1.22.0-3 | — |
| Debian 11 | nginx | 1.18.0-6.1+deb11u5 | DLA-4228-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | nginx | 1.18.0-0ubuntu1.3 | USN-5371-1 |
| Ubuntu 18.04 LTS | nginx | 1.14.0-0ubuntu1.10 | USN-5371-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | nginx | 1.10.3-0ubuntu0.16.04.5+esm3 | USN-5371-1 |
| Ubuntu Pro 14.04 LTS | nginx | No fix yet | — |
Advisories 2
- USN-5371-1 nginx vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-4228-1 nginx - security update Debian Security (DSA / DLA) · Mar 9, 2026