Linuxsecurity Critical Vulnerabilities in openSUSE NGINX Require Immediate Attention
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- •Multiple critical vulnerabilities in openSUSE NGINX require urgent patching.
- •CVE-2026-42055 and CVE-2026-48142 involve serious buffer overflow issues.
- •CVE-2026-40460 allows for authorization bypass in HTTP/3 configurations.
Recent updates for openSUSE NGINX address multiple vulnerabilities, including CVE-2026-42055, a heap-based buffer overflow affecting the ngx_http_proxy_v2_module and ngx_http_grpc_module, and CVE-2026-48142, a heap buffer over-read in the ngx_http_charset_module. Additionally, CVE-2026-40460 allows for authorization bypass and rate limiting issues when using the HTTP/3 QUIC module. The vulnerabilities pose significant risks, including potential remote denial of service attacks via the HTTP/2 bomb exploit. Affected systems include various versions of openSUSE and SUSE Linux Enterprise Server. Administrators are advised to apply patches immediately to mitigate risks. The vulnerabilities were disclosed between May and June 2026, with patches available as of late July 2026.
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