Skip to content
Heist/ feed
Back to feed
Low

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-11048

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read. It only allows to abort a session. No data extraction is possible. This has been fixed in 2.0.0.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-11048
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:33 UTC · Revision 1

Source evidence

CVE-2020-11048

core-osv · Original source

Published 7 May 2020, 20:15 UTC

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read. It only allows to abort a session. No data extraction is possible. This has been fixed in 2.0.0.

osv:CVE-2020-11048
Complete source record
{
  "id": "f9c27d29b9484f4f6a18138da7a2dfe821412d3eaeb44bb5833ccc6fa706ddac",
  "url": "https://osv.dev/vulnerability/CVE-2020-11048",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-11048",
    "summary": "In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read. It only allows to abort a session. No data extraction is possible. This has been fixed in 2.0.0.",
    "evidence": "osv:CVE-2020-11048",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2020-11048",
      "aliases": [
        "CVE-2020-11048",
        "GHSA-hv8w-f2hx-5gcv"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/freerdp/freerdp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "41558e4bd6982d508914a4f7b8278615aef1ad9e"
                },
                {
                  "fixed": "5ab2bed8749747b8e4b2ed431fd102bc726be684"
                },
                {
                  "fixed": "9301bfe730c66180263248b74353daa99f5a969b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "fixed": "2.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "9301bfe730c66180263248b74353daa99f5a969b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0.0-rc4",
            "2.0.0-rc3",
            "2.0.0-rc2",
            "2.0.0-rc1",
            "2.0.0-rc0",
            "2.0.0-beta1+android11",
            "2.0.0-beta1+android10",
            "1.2.0-beta1+android9",
            "1.2.0-beta1+android7",
            "1.1.0-beta+2013071101",
            "1.1.0-beta1+ios4",
            "1.1.0-beta1+android5",
            "1.1.0-beta1+android4",
            "1.1.0-beta1+ios3",
            "1.1.0-beta1+ios2",
            "1.1.0-beta1+android3",
            "1.1.0-beta1+android2",
            "1.1.0-beta1+ios1",
            "1.1.0-beta1",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11048.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-11048-4f9ac9d6",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "207429656706164102241487631562483150029",
                    "160855080664251780381481586080853864901",
                    "154885552725460857237536460462182944693",
                    "137057464677447681206941812240827118785",
                    "32295946583092472538359192469478828536",
                    "321372003978442485465940049287753759811",
                    "216921153728238413575242304750854591780",
                    "38875084919739579481613197757861568556",
                    "118561823448347427604167643302528317857",
                    "292472648421618007499905275026224403579",
                    "317732064566241796915465113736984441406",
                    "98157166811211554842277494294033859482",
                    "47941600866532899626019413840293649997",
                    "62939521881066200903176165356806219545",
                    "27153392002938309650351908206670068486",
                    "283916547381700756117322821801398420653",
                    "209164361606408300950742918944485243074",
                    "57575724307848464601797478208096395553",
                    "338337927889444028183686346156617123270",
                    "311237343593635781337249021078482090784",
                    "40462881911335299008014078733993203247",
                    "68994376286147872910360229220873259454",
                    "282421208566998820852813773342451338942",
                    "210270803240117053624892680821376108836",
                    "307702040889948171696836427772694830619",
                    "13203243765912103200161466416761043701",
                    "311187427636141256049992373679639626920",
                    "65135545341835649320137112016788135621",
                    "154732157098890341529156619661194609155",
                    "73836614939723900056058415358720293146",
                    "292666546406820945978137218300693290034",
                    "280142105074687418923488907376707508658",
                    "19762445729772959933679794093234719576",
                    "166754698775780058285793362753199756442",
                    "268535692083178538713232645312179518176"
                  ]
                },
                "source": "https://github.com/freerdp/freerdp/commit/9301bfe730c66180263248b74353daa99f5a969b",
                "target": {
                  "file": "libfreerdp/core/rdp.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-11048-c50e58a0",
                "digest": {
                  "length": 461,
                  "function_hash": "140329716457334555727175628405082761095"
                },
                "source": "https://github.com/freerdp/freerdp/commit/9301bfe730c66180263248b74353daa99f5a969b",
                "target": {
                  "file": "libfreerdp/core/rdp.c",
                  "function": "rdp_read_share_control_header"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-11048-c72a53b9",
                "digest": {
                  "length": 191,
                  "function_hash": "322073029365240409201041536492797667931"
                },
                "source": "https://github.com/freerdp/freerdp/commit/9301bfe730c66180263248b74353daa99f5a969b",
                "target": {
                  "file": "libfreerdp/core/rdp.c",
                  "function": "rdp_read_flow_control_pdu"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:49:08Z"
          }
        }
      ],
      "modified": "2026-10-20T13:49:08.972771900Z",
      "provider": "osv",
      "references": [
        "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hv8w-f2hx-5gcv",
        "https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html",
        "https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html",
        "https://usn.ubuntu.com/4379-1/",
        "https://usn.ubuntu.com/4382-1/",
        "https://github.com/FreeRDP/FreeRDP/commit/9301bfe730c66180263248b74353daa99f5a969b",
        "https://github.com/FreeRDP/FreeRDP/issues/6007"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "19.10"
                  },
                  {
                    "last_affected": "19.10"
                  },
                  {
                    "introduced": "20.04"
                  },
                  {
                    "last_affected": "20.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-11048",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388250,
  "published_at": "2020-05-07T20:15:12.19+00:00"
}