Debian/nginx: unknown
A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's regex capture variables before referencing the map outp
Action: Upgrade nginx to 1.26.3-3+deb13u8 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.26.3-3+deb13u8 | - |
Fixed versions
| 1.26.3-3+deb13u8 |
Sources
- osv: DEBIAN-CVE-2026-42533#Debian:13/nginx
- https://security-tracker.debian.org/tracker/CVE-2026-42533
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