Issued at: 2026-10-15
Updated at: 2026-10-15
Advisory content derived from Red Hat RHSA-2026:80512, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Moderate: curl security update
Description
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.