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    CVE-2019-17021

    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.

    Published:Jan 7, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 8, 2020
    EPSS Score:0.00472
    CVSS Score:5.3

    Affected Products

    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Esr
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1599008http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1599008

    Related CVEs

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    CVE-2026-87618 (CVSS 8.3) — Incorrect reference resolution in Storage in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remo…
    CVE-2026-87653 (CVSS 5.4) — UI misrepresentation in FullScreen in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote atta…
    CVE-2026-87528 (CVSS 9.6) — Type confusion in Rust in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker to pote…
    CVE-2026-87644 (CVSS 8.3) — Incorrect authorization in Views in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attack…
    CVE-2026-87616 (CVSS 8.3) — Improper initialization in Views in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attack…
    CVE-2026-87454 (CVSS 6.5) — Information leak in Enterprise in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker…
    CVE-2026-87494 (CVSS 9.6) — Use after free in Browser in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker leve…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html
    http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
    https://bugzilla.mozilla.org/show_bug.cgi?id=1599008
    https://seclists.org/bugtraq/2020/Jan/18
    https://www.mozilla.org/security/advisories/mfsa2020-01/
    https://www.mozilla.org/security/advisories/mfsa2020-02/
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html
    http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
    https://bugzilla.mozilla.org/show_bug.cgi?id=1599008
    https://seclists.org/bugtraq/2020/Jan/18
    https://www.mozilla.org/security/advisories/mfsa2020-01/
    https://www.mozilla.org/security/advisories/mfsa2020-02/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High