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Undefined behavior in curl_share_setopt() UNSHARE path: bit shift before validation

Status: Open.

#21224 In curl/curl;

· bird opened on Apr 5, 2026

Mixed proxy and destination ip versions don't connect

connecting & proxies

needs-info

Status: Open.

#21146 In curl/curl;

· terrancewong opened on Mar 29, 2026

GHA/macos: intermittent hangs in runtests

appleOSspecific to an Apple operating systemspecific to an Apple operating system

CIContinuous IntegrationContinuous Integration

tests

Status: Open.

#21140 In curl/curl;

· vszakats opened on Mar 28, 2026

remote CI jobs instead of checksrc rules

CIContinuous IntegrationContinuous Integration

script

Status: Open.

#21100 In curl/curl;

· bagder opened on Mar 26, 2026

HTTPS call through HTTP proxy fails since updating to 8.19.0

Status: Open.

#20986 In curl/curl;

· lsabouri74 opened on Mar 18, 2026

Curl 8.19 Fails With SSL Error on Win 10

duplicate

KNOWN_BUGS material

TLS

WindowsWindows-specificWindows-specific

Status: Open.

#20897 In curl/curl;

· finkjsc opened on Mar 11, 2026

--follow doesn't respect 303 method change unless --data also present

cmdline tool

HTTP

Status: Open.

#20715 In curl/curl;

· thedanbob opened on Feb 24, 2026

Add header type information to the headers callback

feature-request

HTTP

libcurl API

Status: Open.

#20610 In curl/curl;

· mkauf opened on Feb 17, 2026

pinnedpubkey does not support root cert

feature-request

TLS

Status: Open.

#20538 In curl/curl;

· vvb2060 opened on Feb 7, 2026

curl hangs with internal error removing splay node

needs-info

Status: Open.

#20411 In curl/curl;

· Malinskiy opened on Jan 23, 2026

Current API insufficient to deal with idle connection close/errors on kqueue

connecting & proxies

Status: Open.

#20377 In curl/curl;

· rakshasa opened on Jan 20, 2026