{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.16.60"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.16.60"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6687fbb867ef872c96cf4fde68cb6e9c58d3fddc"
            }
          ],
          "repo": "https://github.com/protonmail/webclients",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6687fbb867ef872c96cf4fde68cb6e9c58d3fddc"
            }
          ],
          "repo": "https://github.com/protonmail/webclients",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "ProtonMail Web Client is the official AngularJS web client for the ProtonMail secure email service. ProtonMail Web Client before version 3.16.60 has a regular expression denial-of-service vulnerability. This was fixed in commit 6687fb. There is a full report available in the referenced GHSL-2021-027.",
  "id": "CVE-2021-32816",
  "modified": "2026-03-13T21:56:51.919593171Z",
  "published": "2021-05-14T18:15:07.407Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/ProtonMail/WebClient/commit/6687fbb867ef872c96cf4fde68cb6e9c58d3fddc"
    },
    {
      "type": "EVIDENCE",
      "url": "https://securitylab.github.com/advisories/GHSL-2021-027-redos-ProtonMail/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}