CVE-2017-7857

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.02% Top 20%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201706-14 third party advisory vendor advisory
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94b third party advisory patch
http://www.securityfocus.com/bid/97680 broken link third party advisory vdb entry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=759 third party advisory vdb entry issue tracking
https://www.oracle.com/security-alerts/cpuapr2020.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-7857?
CVE-2017-7857 has been scored as a critical severity vulnerability.
How to fix CVE-2017-7857?
To fix CVE-2017-7857, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7857 being actively exploited in the wild?
It is possible that CVE-2017-7857 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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