RLSA-2026:80512

RLSA-2026:80512 · Moderate: curl security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fix(es): * curl: curl: Proxy credential disclosure via redirects to unauthenticated proxies (CVE-2026-6253) * curl: libcurl: Authentication bypass due to incorrect HTTP Negotiate connection reuse (CVE-2026-5545) * curl: libcurl: Credential leak via reused proxy connection during HTTP redirects (CVE-2026-6429) * curl: libcurl: Information disclosure via incorrect Proxy-Authorization header reuse (CVE-2026-7168) * libcurl: libcurl: Use-after-free vulnerability leading to Denial of Service (CVE-2026-10536) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS 6.5 · Medium · Fix available

Published

2026-10-15T00:08:46.966634Z

Updated

2026-10-15T00:30:02.672952336Z

Stack: system

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