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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (9.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Nrss
- Nrss Reader — versions 0.3.9
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/39810 (Exploit, VDB Entry, exploit)
- www.codezen.org/nrss/ (Product, product, Broken Link)
- www.vulncheck.com/advisories/nrss-rss-reader-1-stack-buffer-overflow (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.