CVE-2017-7857: Buffer Overflow
First published: Fri Apr 14 2017(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeType | >=2.7<2.8 | |
| FreeType | <=2.7.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-7857?
CVE-2017-7857 has a high severity rating due to the potential for a heap-based buffer overflow that can lead to arbitrary code execution.
How do I fix CVE-2017-7857?
To fix CVE-2017-7857, upgrade to FreeType version 2.8 or later, as the vulnerability was patched in this version.
What types of systems are affected by CVE-2017-7857?
CVE-2017-7857 affects FreeType versions from 2.7 up to 2.8, including specific versions below 2.7.2.
What are the potential impacts of CVE-2017-7857?
Exploitation of CVE-2017-7857 could lead to crashing systems or the execution of arbitrary code, putting data and system integrity at risk.
Is CVE-2017-7857 a reversible vulnerability?
CVE-2017-7857 is not reversible, but it can be mitigated by applying the security patches provided in newer versions of FreeType.
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