{
  "affected": [
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      "ecosystem_specific": {},
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        "name": "firefox",
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    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.16",
        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
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        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
      },
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          "type": "ECOSYSTEM"
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    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.18",
        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
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          "type": "ECOSYSTEM"
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      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.19",
        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
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    {
      "ecosystem_specific": {},
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        "ecosystem": "Alpine:v3.20",
        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
      },
      "ranges": [
        {
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            {
              "introduced": "0"
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            {
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.21",
        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
      },
      "ranges": [
        {
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              "introduced": "0"
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            {
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        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.22",
        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "92.0.1-r0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.23",
        "name": "firefox",
        "purl": "pkg:apk/alpine/firefox?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "92.0.1-r0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.21",
        "name": "librewolf",
        "purl": "pkg:apk/alpine/librewolf?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "92.0.1-r0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.22",
        "name": "librewolf",
        "purl": "pkg:apk/alpine/librewolf?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "92.0.1-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.23",
        "name": "librewolf",
        "purl": "pkg:apk/alpine/librewolf?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "92.0.1-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.24",
        "name": "librewolf",
        "purl": "pkg:apk/alpine/librewolf?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "92.0.1-r0"
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          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.16",
        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "91.3.2-r0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.17",
        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
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      "ranges": [
        {
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            {
              "introduced": "0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
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        "ecosystem": "Alpine:v3.18",
        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
      },
      "ranges": [
        {
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              "introduced": "0"
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              "fixed": "91.3.2-r0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
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        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
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        {
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            {
              "introduced": "0"
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            {
              "fixed": "91.3.2-r0"
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          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.20",
        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "91.3.2-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.21",
        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "91.3.2-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.22",
        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "91.3.2-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.23",
        "name": "thunderbird",
        "purl": "pkg:apk/alpine/thunderbird?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "91.3.2-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox \u003c 91 and Thunderbird \u003c 91.",
  "id": "ALPINE-CVE-2021-29987",
  "modified": "2026-11-03T06:17:58.229929996Z",
  "published": "2021-08-17T20:15:07.973Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security.alpinelinux.org/vuln/CVE-2021-29987"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2021-29987"
  ]
}