Security advisory

{
  "id": "558f1ab2b9c3b7a0b25ea6e1f5169e380cd2a14b19566e7897104bce08c78c8d",
  "url": "https://osv.dev/vulnerability/CVE-2020-35605",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35605",
    "summary": "The Graphics Protocol feature in graphics.c in kitty before 0.19.3 allows remote attackers to execute arbitrary code because a filename containing special characters can be included in an error message.",
    "evidence": "osv:CVE-2020-35605",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-35605",
      "aliases": [
        "CVE-2020-35605"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kovidgoyal/kitty",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3ce04c3e4bb9a7d783f309958706a87102ab641a"
                },
                {
                  "fixed": "82c137878c2b99100a3cdc1c0f0efea069313901"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:kovidgoyal:kitty:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.19.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "82c137878c2b99100a3cdc1c0f0efea069313901"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.19.2",
            "v0.19.1",
            "v0.19.0",
            "v0.18.3",
            "v0.18.2",
            "v0.18.1",
            "v0.18.0",
            "v0.17.4",
            "v0.17.3",
            "v0.17.2",
            "v0.17.1",
            "v0.17.0",
            "v0.16.0",
            "v0.15.1",
            "v0.15.0",
            "v0.14.6",
            "v0.14.5",
            "v0.14.4",
            "v0.14.3",
            "v0.14.2",
            "v0.14.1",
            "v0.14.0",
            "v0.13.3",
            "v0.13.2",
            "v0.13.1",
            "v0.13.0",
            "v0.12.3",
            "v0.12.2",
            "v0.12.1",
            "v0.12.0",
            "v0.11.3",
            "v0.11.2",
            "v0.11.1",
            "v0.11.0",
            "v0.10.1",
            "v0.10.0",
            "v0.9.1",
            "v0.9.0",
            "v0.8.4",
            "v0.8.3",
            "v0.8.2",
            "v0.8.1",
            "v0.8.0",
            "v0.7.1",
            "v0.7.0",
            "v0.6.1",
            "v0.6.0",
            "v0.5.1",
            "v0.5.0",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0",
            "v0.2.8",
            "v0.2.7",
            "v0.2.6",
            "v0.2.5",
            "v0.2.4",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35605.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-35605-a19f02cf",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "227269925296018895249483571032929422012",
                    "220127328629692419933635103745836897841",
                    "36417602568550974559131120750129651633",
                    "52024240859601157366622675036429307366"
                  ]
                },
                "source": "https://github.com/kovidgoyal/kitty/commit/82c137878c2b99100a3cdc1c0f0efea069313901",
                "target": {
                  "file": "kitty/graphics.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-35605-c272724e",
                "digest": {
                  "length": 6815,
                  "function_hash": "70778177034192887938523877757161121408"
                },
                "source": "https://github.com/kovidgoyal/kitty/commit/82c137878c2b99100a3cdc1c0f0efea069313901",
                "target": {
                  "file": "kitty/graphics.c",
                  "function": "handle_add_command"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:14:09Z"
          }
        }
      ],
      "modified": "2026-10-20T14:14:09.016068671Z",
      "provider": "osv",
      "references": [
        "https://www.debian.org/security/2020/dsa-4819",
        "https://github.com/kovidgoyal/kitty/issues/3128",
        "https://github.com/kovidgoyal/kitty/commit/82c137878c2b99100a3cdc1c0f0efea069313901"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-35605",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388753,
  "published_at": "2020-12-21T20:15:12.553+00:00"
}