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CVE-2019-9816

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Date: July 23, 2019

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Language: Unix

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2019-9816
https://security.alpinelinux.org/vuln/CVE-2019-9816
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-9816
https://www.mozilla.org/security/advisories/mfsa2019-14/
https://access.redhat.com/security/cve/CVE-2019-9816
https://security-tracker.debian.org/tracker/CVE-2019-9816
https://www.mozilla.org/security/advisories/mfsa2019-13/
https://bugzilla.mozilla.org/show_bug.cgi?id=1536768
https://www.mozilla.org/security/advisories/mfsa2019-15/
https://www.mend.io/vulnerability-database/CVE-2019-9816

Severity Score

Weakness Type (CWE)

Access of Resource Using Incompatible Type ('Type Confusion')

CWE-843

Top Fix

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Upgrade Version

Upgrade to version thunderbird - 60.7.0-1;firefox - 67.0-1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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