CVE-2015-8721 Memory corruption in n/a
Remote attackers can cause a denial of service via a crafted packet with zlib compression, affecting Wireshark users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-8721?
CVE-2015-8721 is a medium-severity memory corruption vulnerability in Wireshark Wireshark, published on 4 Jan 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Buffer overflow in the tvb_uncompress function in epan/tvbuff_zlib.c in Wireshark 1.12.x before 1.12.9 and 2.0.x before 2.0.1 allows remote attackers to cause a denial of service (application crash) via a crafted packet with zlib compression.
Weakness: CWE-20
Which versions are affected by CVE-2015-8721?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2015-8721?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2015-8721 being exploited?
There is no known exploitation of CVE-2015-8721 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2015-8721, GHSA-776r-g7gx-447c, UBUNTU-CVE-2015-8721.