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curl 8.22 Fixes an OpenSSL Public-Key Pinning Bypass
Scope CVE-2026-80230 accurately, identify affected curl builds, test pinned-key failure paths, and upgrade proxy clients safely.
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curl 8.22 Treats a Proxy Port Change as a New Proxy
Learn what curl 8.22 changes when a proxy port changes and how to regression-test authentication, connection reuse, and fail-closed routing.
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curl 8.22 Hardens HTTP/3 Proxy Handling for Out-of-Order Response Headers
Understand curl 8.22's HTTP/3 proxy header-order hardening and build a safe regression test for malformed proxy responses and fail-closed recovery.
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curl 8.22 Aligns quiche's HTTP/3 Response-Header Limit with curl
Learn how curl 8.22 aligns quiche's HTTP/3 field-section limit with curl and how to regression-test large authorized response headers across network paths.
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curl 8.22 Makes mbedTLS Hostname Verification Independent of Peer Verification
Understand curl 8.22's mbedTLS hostname-verification fix and use a controlled test matrix for HTTPS proxy and origin TLS layers.
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curl 8.22 Tightens Certificate Pinning When a TLS Peer Sends No Certificate
Understand curl 8.22's missing-certificate pinning fix and test separate origin and HTTPS-proxy pins without exposing credentials or weakening TLS verification.
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curl 8.22 Stops Silently Dropping Large Custom Headers: What Proxy Clients Should Retest
Understand curl 8.22's large custom request-header fix and run a safe proxy regression test covering transmission, redirects, CONNECT boundaries and oversized failures.
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curl 8.22 Blocks NTLM Fallback Inside SPNEGO: Test Enterprise Proxy Authentication Before Upgrading
Understand curl 8.22's SPNEGO NTLM fallback change and run a controlled enterprise proxy authentication regression test covering Kerberos, 407, reuse and rollback.
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curl 8.22 Adds a 25 ms Happy Eyeballs v3 Resolution Delay: What Proxy Teams Should Test
Understand curl 8.22's 25 ms Happy Eyeballs v3 resolution delay and run a controlled IPv4/IPv6 proxy regression test before upgrading.
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curl 8.22 Restores Connection Limits for Shared Pools: A Proxy Client Upgrade Test
Test curl 8.22 shared connection-pool limits with proxy workloads, including per-host caps, total caps, queueing, reuse and failure recovery.
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