nginx -- multiple vulnerabilities
· CVE-2026-42055, CVE-2026-48142 · VuXML entry
The nginx developers report: A heap memory buffer overflow vulnerability when using the "ignore_invalid_headers off;" and "large_client_header_buffers" directives with large configured values while proxying a specially crafted request to an HTTP/2 or gRPC backend may allow memory corruption or a segmentation fault in a worker process (CVE-2026-42055). A heap memory buffer overread vulnerability while handling a …
Affected versions
- nginx < 1.30.3,3
By system
1 still vulnerable, 1 fixed. Where VuXML applies (FreeBSD, DragonFly, FreeBSD's derivatives) a port is vulnerable while its version is in a range; pkgsrc says itself whether it lists a CVE of this advisory; OpenBSD and MidnightBSD keep no list this site reads, so their row is only an estimate: FreeBSD's ranges applied to upstream's version.