CVE-2015-6756 Use after free in n/a
Remote attackers can cause denial of service or potential code execution via a use-after-free in PDFium when viewing malicious PDFs in Chrome.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-6756?
CVE-2015-6756 is a medium-severity use after free vulnerability in Google Chrome, published on 15 Oct 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Use-after-free vulnerability in the CPDFSDK_PageView implementation in fpdfsdk/src/fsdk_mgr.cpp in PDFium, as used in Google Chrome before 46.0.2490.71, allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact by leveraging mishandling of a focused annotation in a PDF document.
Which versions are affected by CVE-2015-6756?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2015-6756?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2015-6756 being exploited?
There is no known exploitation of CVE-2015-6756 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as GHSA-vfv2-4jmx-x9vh, UBUNTU-CVE-2015-6756.