CVE-2017-7857 Memory corruption in n/a
Heap-based buffer overflow in FreeType allows attackers to execute arbitrary code or cause denial of service via crafted TrueType fonts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-7857?
CVE-2017-7857 is a critical memory corruption vulnerability in Freetype Freetype, published on 14 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2017-7857?
It affects 1 product.
Products include Freetype Freetype.
How do I fix CVE-2017-7857?
No fix has been published for CVE-2017-7857 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-7857 being exploited?
There is no known exploitation of CVE-2017-7857 in the wild and no public exploit code.
Other vulnerabilities in Freetype Freetype
Sources
Also known as GHSA-28p8-v452-44mv.