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h3-proxy: fix NULL deref when non-:status header arrives before :status

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Closes #22449
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Ramesh Adhikari 2026-07-30 21:59:16 +05:30 • committed by Daniel Stenberg
parent 6e130eb484
commit decc609085
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lib/vquic/cf-ngtcp2-proxy.c
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@ -431,6 +431,9 @@ static int cb_h3_proxy_recv_header(nghttp3_conn *conn, int64_t stream_id,
pctx->tunnel.resp = resp;
}
else {
if(!pctx->tunnel.resp) {
return NGHTTP3_ERR_CALLBACK_FAILURE;
}
/* store as an HTTP1-style header */
CURL_TRC_CF(data, cf, "[%" PRId64 "] header: %.*s: %.*s", stream_id,
(int)h3name.len, h3name.base, (int)h3val.len, h3val.base);