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CVE-2016-1526

8.1 · HIGH

The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, whi…

Published Feb 13, 2016CWE-119EPSS 2.25%

Overview

CVE-2016-1526 is a high-severity vulnerability. It was published on February 13, 2016 and has a CVSS 3.0 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.

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

Refblog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.htmlReflists.fedoraproject.org/pipermail/package-announce/2016-February/177520.htmlReflists.fedoraproject.org/pipermail/package-announce/2016-May/184623.htmlReflists.opensuse.org/opensuse-security-announce/2016-03/msg00052.htmlReflists.opensuse.org/opensuse-security-announce/2016-03/msg00058.htmlReflists.opensuse.org/opensuse-security-announce/2016-03/msg00088.htmlRefrhn.redhat.com/errata/RHSA-2016-0594.htmlRefrhn.redhat.com/errata/RHSA-2016-0695.htmlRefwww.debian.org/security/2016/dsa-3479Refwww.mozilla.org/security/announce/2016/mfsa2016-14.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-1526?

CVE-2016-1526 is a high-severity vulnerability. It was published on February 13, 2016 and has a CVSS 3.0 base score of 8.1 (HIGH).

How severe is CVE-2016-1526?

This vulnerability has a CVSS 3.0 base score of 8.1, 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-2016-1526?

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-2016-1526?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-1526 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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