CVE-2017-7857
CRITICALCVSS 9.8/10EPSS 3.63%
Last modified
CVE-2017-7857 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 3.63% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freetype | Freetype | >= 2.7, < 2.8 |
References
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94bPatch, Third Party Advisory
- http://www.securityfocus.com/bid/97680Broken Link, Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=759Issue Tracking, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201706-14Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94bPatch, Third Party Advisory
- http://www.securityfocus.com/bid/97680Broken Link, Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=759Issue Tracking, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201706-14Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-7857?
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.
How severe is CVE-2017-7857?
CVE-2017-7857 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.63% probability of exploitation in the next 30 days.
How do I fix CVE-2017-7857?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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