CVE-2026-107929 — local interface connection reuse mixup
When `CURLOPT_INTERFACE` (or the command line tool's `--interface` option) is set with one of the documented prefixes (`if!`, `host!`, `ifhost!`), that binding is not part of th…
Published: 2026-10-20 · CVSS: Unscored
When `CURLOPT_INTERFACE` (or the command line tool's `--interface` option) is set with one of the documented prefixes (`if!`, `host!`, `ifhost!`), that binding is not part of the connection reuse key, so a later transfer asking for a different source can silently reuse an existing connection and go out from the earlier transfer's source address
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7