Buffer overflow in Nrss
CVE-2016-20043
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.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Nrss
- Nrss Reader — versions 0.3.9
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, exploit)
- disclosure@vulncheck.com (Product, product, Broken Link)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2016-20043?
- CVE-2016-20043 is a high-severity vulnerability in Nrss, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-28.
- How severe is CVE-2016-20043?
- High severity. CVSS v3 base score is 8.4 out of 10.