CVE-2016-7877 Use after free in Adobe Flash Player 23.0.0.207 and earlier, 11.2.202.644 and earlier
Attackers can execute arbitrary code via a use-after-free flaw in Adobe Flash Player's serialization mechanism.
- 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-2016-7877?
CVE-2016-7877 is a high-severity use after free vulnerability in Adobe Flash Player, published on 15 Dec 2016. 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
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable use after free vulnerability in the Action Message Format serialization (AFM0). Successful exploitation could lead to arbitrary code execution.
Weakness: CWE-416
Which versions are affected by CVE-2016-7877?
It affects 2 products.
Products include Adobe Flash Player, Adobe Flash Player Desktop Runtime.
How do I fix CVE-2016-7877?
Apply the vendor's patch.
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-2016-7877 being exploited?
There is no known exploitation of CVE-2016-7877 in the wild and no public exploit code.
Other vulnerabilities in Adobe Flash Player
Sources
Also known as GHSA-8jwh-wc3j-3xmq.