CVE-2026-3784

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection.

• curl 8.19.0-1 [trixie] - curl 8.14.1-2+deb13u4 [bookworm] - curl 7.88.1-10+deb12u15 [bullseye] - curl (Minor issue) https://curl.se/docs/CVE-2026-3784.html Introduced with: https://github.com/curl/curl/commit/a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4 (curl-7_7_alpha2) Fixed by: https://github.com/curl/curl/commit/5f13a7645e565c5c1a06f3ef86e97afb856fb364 (curl-8_19_0)