Security advisory

{
  "id": "6058138f80a3b4918187ce3b1aaed81d60fe67d709af2573b444ffc54ae61bfa",
  "url": "https://osv.dev/vulnerability/CVE-2017-7875",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-7875",
    "summary": "In wallpaper.c in feh before v2.18.3, if a malicious client pretends to be the E17 window manager, it is possible to trigger an out-of-boundary heap write while receiving an IPC message. An integer overflow leads to a buffer overflow and/or a double free.",
    "evidence": "osv:CVE-2017-7875",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-7875",
      "aliases": [
        "CVE-2017-7875"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/derf/feh",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "f27be5de2fde7e3a8be0d63e025c801ec7df5475"
                },
                {
                  "fixed": "f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:feh_project:feh:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.18.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.18.2",
            "2.18.1",
            "2.18",
            "2.17.1",
            "2.17",
            "2.16.2",
            "2.16.1",
            "2.16",
            "2.15.4",
            "2.15.3",
            "2.15.2",
            "2.15.1",
            "2.15",
            "2.14",
            "2.13.1",
            "2.13",
            "2.12",
            "2.11",
            "2.10",
            "2.9.3",
            "2.9.2",
            "2.9.1",
            "2.9",
            "2.8",
            "2.7",
            "2.6.3",
            "2.6.2",
            "2.6.1",
            "2.6",
            "2.5",
            "2.4",
            "2.3",
            "2.2",
            "2.1",
            "2.0",
            "1.16.2",
            "1.16.1",
            "1.16",
            "1.15.1",
            "1.15",
            "1.14.2",
            "1.14.1",
            "1.14",
            "1.13",
            "1.12",
            "1.11",
            "1.10.1",
            "1.10",
            "1.9",
            "1.8",
            "1.7",
            "1.6.1",
            "1.6",
            "1.5",
            "1.4.3",
            "1.4.2",
            "1.4.1",
            "1.4",
            "1.3.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7875.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-7875-2316f0a4",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "114611271374651776628541093080720029731",
                    "41834195195041888171198261125242210801",
                    "108368789263570908763498376805416493156",
                    "238841293264128875907687015485774305246"
                  ]
                },
                "source": "https://github.com/derf/feh/commit/f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d",
                "target": {
                  "file": "src/wallpaper.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-7875-5f505e22",
                "digest": {
                  "length": 677,
                  "function_hash": "102306032804263360865648438411247829941"
                },
                "source": "https://github.com/derf/feh/commit/f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d",
                "target": {
                  "file": "src/wallpaper.c",
                  "function": "enl_ipc_get"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:24:27Z"
          }
        }
      ],
      "modified": "2026-10-20T13:24:27.233343715Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2020/05/msg00021.html",
        "https://security.gentoo.org/glsa/201707-08",
        "https://feh.finalrewind.org/",
        "https://github.com/derf/feh/commit/f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-7875",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387642,
  "published_at": "2017-04-14T18:59:01.173+00:00"
}