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CVE-2019-9813

Date: April 26, 2019

Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

Language: Unix

Severity Score

Related Resources (12)

https://www.mozilla.org/security/advisories/mfsa2019-09/
https://access.redhat.com/errata/RHSA-2019:1144
https://nvd.nist.gov/vuln/detail/CVE-2019-9813
https://bugzilla.mozilla.org/show_bug.cgi?id=1538006
https://security-tracker.debian.org/tracker/CVE-2019-9813
https://www.mozilla.org/security/advisories/mfsa2019-10/
https://www.mozilla.org/security/advisories/mfsa2019-12/
https://access.redhat.com/errata/RHSA-2019:0966
https://access.redhat.com/security/cve/CVE-2019-9813
https://security.alpinelinux.org/vuln/CVE-2019-9813
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-9813
https://www.mend.io/vulnerability-database/CVE-2019-9813

Severity Score

Weakness Type (CWE)

Incorrect Type Conversion or Cast

CWE-704

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

CWE-843

CVSS v3.1

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

CVSS v2

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

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