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
Fix
Vendor advisories in the News 1
- USN-8927-1: curl vulnerabilities Ubuntu Security Notices · 2026-10-14
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 4
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-30 16:31
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 17:21
- StatusReceived → PublishedNVD modified 2026-10-20 20:29
- First seenunscoredNVD modified 2026-10-20 21:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.