{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0335",
  "published": "2026-08-13T21:59:25Z",
  "modified": "2026-08-13T21:51:49Z",
  "summary": "Updated dhcpcd packages fix security vulnerabilities",
  "details": "Attackers can send a crafted DHCPv6 ADVERTISE message containing an\nIA_PD\nIAPREFIX /0 with a valid OPTION_PD_EXCLUDE using an exclude prefix\nlength\nof /121 through /128 to trigger the out-of-bounds write and potentially\ncorrupt adjacent stack memory (CVE: CVE-2026-56114).\nAttackers can repeatedly send Router Advertisements containing Route\nInformation options with a lifetime of zero, triggering unfreed\nallocations in routeinfo_findalloc() that cause linear memory\nexhaustion and eventual daemon crash (CVE: CVE-2026-56116).\n",
  "upstream": [
    "CVE-2026-56114",
    "CVE-2026-56116"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0335.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=36063"
    },
    {
      "type": "WEB",
      "url": "https://github.com/NetworkConfiguration/dhcpcd/pull/676"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "dhcpcd",
        "purl": "pkg:rpm/mageia/dhcpcd?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.5.0-1.1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}