tag
Resolver
CVE-2026-40701
web
MEDIUM 6.3
nginx Resolver Use-After-Free in OCSP Stapling (CVE-2026-40701)
nginx's resolver contains a use-after-free that is reachable when a server is configured with sslstapling on;, sslstaplingverify on;, and a resolver directive — the combination that causes nginx to perform DNS resolution of the OCSP responder hostname on the…
Patched
2026-07-05
None assigned as of 2026-07-03
network
HIGH
c-ares TCP ares_getaddrinfo() Use-After-Free Code Execution
c-ares's aresgetaddrinfo() path over DNS-over-TCP with EDNS enabled contains a use-after-free reachable when a malicious or compromised DNS server sends two responses for the same query ID in a single TCP read — the first a FORMERR without OPT data…
Unverified
2026-07-03