RLSA-2026:80512
Moderate: curl security update
Published Oct 15, 2026 · updated Oct 15, 2026
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.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 15, 2026 · OSV.dev
Detected
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: Cred
Oct 15, 2026 · OSV.dev
Fix available
curl fixed in 0:8.12.1-4.el10_2.7
Oct 15, 2026 · OSV.dev
Fix available
curl fixed in 0:8.12.1-4.el10_2.7
Oct 15, 2026 · OSV.dev
Updated
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: Cred
Affected
- Rocky Linux:10 curl0 → 0:8.12.1-4.el10_2.7