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CVE-2017-7857

9.8 · CRITICAL

FreeType 2 before 2017-03-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the TT_Get_MM_Var function in truetype/ttgxvar.c and the sfnt_init_face function in sfnt/sf…

Published Apr 14, 2017CWE-787EPSS 3.63%

Overview

CVE-2017-7857 is a critical-severity vulnerability. It was published on April 14, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

FreeType 2 before 2017-03-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the TT_Get_MM_Var function in truetype/ttgxvar.c and the sfnt_init_face function in sfnt/sfobjs.c.

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

Refgit.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94bRefwww.securityfocus.com/bid/97680Refbugs.chromium.org/p/oss-fuzz/issues/detail?id=759Refsecurity.gentoo.org/glsa/201706-14Refwww.oracle.com/security-alerts/cpuapr2020.htmlRefgit.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94bRefwww.securityfocus.com/bid/97680Refbugs.chromium.org/p/oss-fuzz/issues/detail?id=759Refsecurity.gentoo.org/glsa/201706-14Refwww.oracle.com/security-alerts/cpuapr2020.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-7857?

CVE-2017-7857 is a critical-severity vulnerability. It was published on April 14, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2017-7857?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-7857?

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-2017-7857?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-7857 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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