CVE-2016-20043 NRSS RSS Reader 0.3.9-1 Stack Buffer Overflow
Local attackers can execute arbitrary code via a stack buffer overflow in NRSS RSS Reader by supplying an oversized argument to the -F parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-20043?
CVE-2016-20043 is a high-severity memory corruption vulnerability in NRSS Reader, published on 28 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NRSS RSS Reader 0.3.9-1 contains a stack buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -F parameter. Attackers can craft a malicious input with 256 bytes of padding followed by a controlled EIP value to overwrite the return address and achieve code execution.
Weakness: CWE-787
Which versions are affected by CVE-2016-20043?
It affects 1 product.
Products include Nrss Nrss.
How do I fix CVE-2016-20043?
No fix has been published for CVE-2016-20043 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-2016-20043 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20043 exists.
Sources
Also known as GHSA-7wfp-phxm-p655, UBUNTU-CVE-2016-20043.