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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-14928

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-14928
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:33 UTC · Revision 1

Source evidence

CVE-2020-14928

core-osv · Original source

Published 17 Jul 2020, 16:15 UTC

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

osv:CVE-2020-14928
Complete source record
{
  "id": "307d1a473c224e754ea158d1cb95f12b79bb96869e443768051d7ca5008d01c5",
  "url": "https://osv.dev/vulnerability/CVE-2020-14928",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-14928",
    "summary": "evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a \"begin TLS\" response, eds reads additional data and evaluates it in a TLS context, aka \"response injection.\"",
    "evidence": "osv:CVE-2020-14928",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-14928",
      "aliases": [
        "CVE-2020-14928"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.gnome.org/gnome/evolution-data-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "f58afb0709c41fdf3222c5814389d45631ef0a4b"
                },
                {
                  "fixed": "ba82be72cfd427b5d72ff21f929b3a6d8529c4df"
                },
                {
                  "fixed": "f404f33fb01b23903c2bbb16791c7907e457fbac"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnome:evolution-data-server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.36.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ba82be72cfd427b5d72ff21f929b3a6d8529c4df"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f404f33fb01b23903c2bbb16791c7907e457fbac"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.36.3",
            "3.37.2",
            "3.36.2",
            "3.37.1",
            "3.36.1",
            "3.36.0",
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            "3.28.0",
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                "signature_type": "Line",
                "signature_version": "v1"
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              {
                "id": "CVE-2020-14928-99267e32",
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                "source": "https://gitlab.gnome.org/gnome/evolution-data-server@ba82be72cfd427b5d72ff21f929b3a6d8529c4df",
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                  "function": "connect_to_server"
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                "target": {
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                },
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                "id": "CVE-2020-14928-bf170218",
                "digest": {
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                "source": "https://gitlab.gnome.org/gnome/evolution-data-server@f404f33fb01b23903c2bbb16791c7907e457fbac",
                "target": {
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                  "function": "connect_to_server"
                },
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                "signature_type": "Function",
                "signature_version": "v1"
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                "id": "CVE-2020-14928-dda5c845",
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                "source": "https://gitlab.gnome.org/gnome/evolution-data-server@ba82be72cfd427b5d72ff21f929b3a6d8529c4df",
                "target": {
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                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
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              {
                "id": "CVE-2020-14928-e442f18b",
                "digest": {
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                  "function_hash": "272762691641719020593453431005942035644"
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                "source": "https://gitlab.gnome.org/gnome/evolution-data-server@f404f33fb01b23903c2bbb16791c7907e457fbac",
                "target": {
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                  "function": "connect_to_server"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
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                "id": "CVE-2020-14928-e7605d48",
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                  "line_hashes": [
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                "source": "https://gitlab.gnome.org/gnome/evolution-data-server@f404f33fb01b23903c2bbb16791c7907e457fbac",
                "target": {
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            ],
            "vanir_signatures_modified": "2026-10-20T13:51:52Z"
          }
        }
      ],
      "modified": "2026-10-20T13:51:52.245115271Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMBEZWA22EAYAZQWUX4KPEBER726KSIG/",
        "https://lists.debian.org/debian-lts-announce/2020/07/msg00012.html",
        "https://security-tracker.debian.org/tracker/DLA-2281-1",
        "https://security-tracker.debian.org/tracker/DSA-4725-1",
        "https://usn.ubuntu.com/4429-1/",
        "https://www.debian.org/security/2020/dsa-4725",
        "https://bugzilla.suse.com/show_bug.cgi?id=1173910",
        "https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4df",
        "https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbac",
        "https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
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              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
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                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
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                    "last_affected": "18.04"
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                  {
                    "introduced": "20.04"
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                    "last_affected": "20.04"
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                ],
                "source": "CPE_STRING"
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              "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"
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                  {
                    "last_affected": "10.0"
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                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
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            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "31"
                  },
                  {
                    "last_affected": "31"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
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        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-14928",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388291,
  "published_at": "2020-07-17T16:15:11.387+00:00"
}