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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2017-2626

It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking using the information available from the process list.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-2626
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 09:45 UTC · Revision 1

Source evidence

CVE-2017-2626

core-osv · Original source

Published 27 Jul 2018, 19:29 UTC

It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking using the information available from the process list.

osv:CVE-2017-2626
Complete source record
{
  "id": "182064b237b353d7f8c6262f72ef5a52362fe68f313a5a53a6fe0f0c42e0a0f1",
  "url": "https://osv.dev/vulnerability/CVE-2017-2626",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-2626",
    "summary": "It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking using the information available from the process list.",
    "evidence": "osv:CVE-2017-2626",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-2626",
      "aliases": [
        "CVE-2017-2626"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.freedesktop.org/xorg/lib/libice",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0dfab4253e26d5c6e5f058126eb5e9f7a7732ae8"
                },
                {
                  "introduced": "2a30ec82f3bd2aa1f2566e97fee70403a8448de8"
                },
                {
                  "last_affected": "2a30ec82f3bd2aa1f2566e97fee70403a8448de8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:freedesktop:libice:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.0.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0"
                      },
                      {
                        "last_affected": "7.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0"
                      },
                      {
                        "last_affected": "7.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0"
                      },
                      {
                        "last_affected": "7.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.0",
            "XORG-7_0_99_901",
            "XORG-7_0",
            "XORG-6_99_99_904"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2626.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:50.665349725Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2019/11/msg00022.html",
        "https://access.redhat.com/errata/RHSA-2017:1865",
        "https://security.gentoo.org/glsa/201704-03",
        "https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2626",
        "https://cgit.freedesktop.org/xorg/lib/libICE/commit/?id=ff5e59f32255913bb1cdf51441b98c9107ae165b"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:enterprise_linux_server_aus",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.4"
                  },
                  {
                    "last_affected": "7.4"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*",
              "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:enterprise_linux_server_eus",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.4"
                  },
                  {
                    "last_affected": "7.4"
                  },
                  {
                    "introduced": "7.5"
                  },
                  {
                    "last_affected": "7.5"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-2626",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379764,
  "published_at": "2018-07-27T19:29:00.377+00:00"
}