Vulnerability details
CVE-2016-20042
trn Threaded USENET News Reader
TRN 3.6-23 Stack Buffer Overflow Local Code Execution
CVSS 4.0
8.6High
Official description
TRN 3.6-23 contains a stack buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the application. Attackers can craft a malicious command-line argument with 156 bytes of padding followed by a return address to overwrite the instruction pointer and execute shellcode with user privileges.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.6High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 8.4High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| trn | Threaded USENET News Reader | 3.6-23 | CVEProject cvelistV5 (CNA) |
References and advisories
3
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-03-28
- Last updated
- 2026-03-30
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.15%
Probability of exploitation in 30 days
4.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-787Out-of-bounds Write