Security readout for executives and security teams
CVE-2016-20043 is a high-severity local stack buffer overflow in NRSS RSS Reader 0.3.9. A local attacker who can run the program can supply an oversized value to the -F option and potentially execute code with the privileges of the NRSS process. Exposure is limited to systems where NRSS Reader 0.3.9 is installed and can be executed locally, especially shared servers, multi-user workstations, shell environments, or automated jobs that may pass untrusted input into NRSS command-line arguments. This is not described as a remotely reachable network vulnerability in the provided bundle. Treat as high priority where NRSS is present on shared or multi-user systems. For isolated single-user systems, prioritize based on local access exposure, but still remove or remediate unsupported affected installations because public exploit information exists. Mitigation focus: Inventory systems for NRSS Reader 0.3.9/0.3.9-1 installations.; If NRSS is not required, remove or disable it on affected systems.; Restrict local shell access and execution rights on systems where NRSS remains installed..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.6HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-39810CVE reference · exploit
- VulnCheck Advisory: NRSS RSS Reader 0.3.9-1 Stack Buffer OverflowCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.