Moderate: curl security update

{
  "id": "71440dfaf679164f8685b29142a74acff42cefdd87b5ec48782d66cf22ae3e54",
  "url": "https://osv.dev/vulnerability/RLSA-2026%3A80512",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Moderate: curl security update",
    "summary": "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.",
    "evidence": "osv:RLSA-2026:80512",
    "products": [
      {
        "name": {
          "value": "curl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:8.12.1-4.el10_2.7",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "RLSA-2026:80512",
      "aliases": [
        "RLSA-2026:80512"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0:8.12.1-4.el10_2.7"
                }
              ],
              "database_specific": {
                "yum_repository": "BaseOS"
              }
            }
          ],
          "package": {
            "name": "curl",
            "purl": "pkg:rpm/rocky-linux/curl?distro=rocky-linux-10&epoch=0",
            "ecosystem": "Rocky Linux:10"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:80512.json"
          }
        }
      ],
      "modified": "2026-10-15T00:30:02.672952336Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-10536",
        "CVE-2026-5545",
        "CVE-2026-6253",
        "CVE-2026-6429",
        "CVE-2026-7168"
      ],
      "references": [
        "https://errata.rockylinux.org/RLSA-2026:80512",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2461202",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2461204",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2461205",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2476979",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2496766",
        "https://access.redhat.com/errata/RHSA-2026:80512"
      ],
      "provider_metadata": {
        "license": "CC-BY-4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "source_advisory": "RHSA-2026:80512"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-10536",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-5545",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-6253",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-6429",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-7168",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 318082,
  "published_at": "2026-10-15T00:08:46.966634+00:00"
}