FKIE_CVE-2019-17021

Vulnerability from fkie_nvd - Published: 2020-01-08 22:15 - Updated: 2026-06-17 02:23
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Summary
During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
References
security@mozilla.orghttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.htmlMailing List, Third Party Advisory
security@mozilla.orghttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.htmlMailing List, Third Party Advisory
security@mozilla.orghttp://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlExploit, Third Party Advisory, VDB Entry
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1599008Exploit, Issue Tracking, Permissions Required
security@mozilla.orghttps://seclists.org/bugtraq/2020/Jan/18Mailing List, Third Party Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-01/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-02/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1599008Exploit, Issue Tracking, Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2020/Jan/18Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-01/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-02/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox_esr *
microsoft windows -
opensuse leap 15.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Firefox ESR",
          "vendor": "Mozilla",
          "versions": [
            {
              "status": "affected",
              "version": "before 68.4"
            }
          ]
        },
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "status": "affected",
              "version": "before 72"
            }
          ]
        }
      ],
      "source": "security@mozilla.org"
    }
  ],
  "configurations": [
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              "matchCriteriaId": "1398139B-C837-4BF4-8555-5D722B91F646",
              "versionEndExcluding": "72.0",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "ACE15104-6EDD-46EA-9596-28FEB99B563F",
              "versionEndExcluding": "68.4",
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        },
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      "operator": "AND"
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    {
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            }
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR \u003c 68.4 and Firefox \u003c 72."
    },
    {
      "lang": "es",
      "value": "Durante la inicializaci\u00f3n de un nuevo proceso de contenido, ocurre una condici\u00f3n de carrera que puede permitir a un proceso de contenido revelar direcciones de la pila del proceso principal. * Nota: este problema solo ocurre en Windows. Otros sistemas operativos no est\u00e1n afectados. *. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a la versi\u00f3n 68.4 y Firefox versiones anteriores a la versi\u00f3n  72."
    }
  ],
  "id": "CVE-2019-17021",
  "lastModified": "2026-06-17T02:23:10.340",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "HIGH",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 4.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
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    "cvssMetricV31": [
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          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
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  "published": "2020-01-08T22:15:12.653",
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    },
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  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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