Out-of-Bounds Write in FreeType 2 Affects Graphic Rendering on Multiple Platforms
CVE-2017-7858

9.8CRITICAL

Key Information:

Vendor
Freetype
Status
Freetype
Vendor
CVE Published:
14 April 2017

Summary

The vulnerability in FreeType 2, specifically before March 7, 2017, involves an out-of-bounds write that occurs within the TT_Get_MM_Var function in truetype/ttgxvar.c and the sfnt_init_face function in sfnt/sfobjs.c. This flaw can lead to corruption of memory, potentially allowing an attacker to execute arbitrary code or crash software that relies on this library for rendering fonts.

References

https://security.gentoo.org/glsa/201706-14
vendor-advisoryx_refsource_GENTOO
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=738
x_refsource_MISC
http://www.securityfocus.com/bid/97682
vdb-entryx_refsource_BID

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.