Bug 2535994 - CVE-2026-19931 mingw-curl: libcurl: Information disclosure via incorrect connection reuse with Negotiate authentication [fedora-all]
Summary: CVE-2026-19931 mingw-curl: libcurl: Information disclosure via incorrect conn...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: mingw-curl
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Michael Cronenworth
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["c134493f-e35c-4e0f-a4dc-0...
Depends On:
Blocks: CVE-2026-19931
TreeView+ depends on / blocked
 
Reported: 2026-09-17 13:11 UTC by Srikanth Balasubramanian
Modified: 2026-09-17 13:11 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Srikanth Balasubramanian 2026-09-17 13:11:24 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given
hostname using Negotiate authentication, when the initial request is done
using empty credentials. This can make user B's request get sent over user A's
previously authenticated connection.


Note You need to log in before you can comment on or make changes to this bug.