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CVE-2018-12371

8.8 · HIGH

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM.

Published Jul 9, 2020CWE-190EPSS 1.45%

Overview

CVE-2018-12371 is a high-severity vulnerability. It was published on July 9, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.mozilla.org/show_bug.cgi?id=1465686Refwww.mozilla.org/security/advisories/mfsa2018-15/Refwww.mozilla.org/security/advisories/mfsa2018-16/Refwww.mozilla.org/security/advisories/mfsa2018-19/Refbugzilla.mozilla.org/show_bug.cgi?id=1465686Refwww.mozilla.org/security/advisories/mfsa2018-15/Refwww.mozilla.org/security/advisories/mfsa2018-16/Refwww.mozilla.org/security/advisories/mfsa2018-19/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-12371?

CVE-2018-12371 is a high-severity vulnerability. It was published on July 9, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2018-12371?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-12371?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-12371?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-12371 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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