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CVE-2018-12371

Date: July 9, 2020

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.1, Thunderbird < 60, and Firefox < 61.

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2018-16/
https://www.mozilla.org/security/advisories/mfsa2018-15/
https://nvd.nist.gov/vuln/detail/CVE-2018-12371
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-12371
https://bugzilla.mozilla.org/show_bug.cgi?id=1465686
https://security-tracker.debian.org/tracker/CVE-2018-12371
https://www.mozilla.org/security/advisories/mfsa2018-19/
https://www.mend.io/vulnerability-database/CVE-2018-12371

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

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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