Path Traversal in Ticalc Texas Instrument Emulator
CVE-2016-20040
TiEmu 3.03-nogdb+dfsg-3 contains a buffer overflow vulnerability in the ROM parameter handling that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized ROM parameter to the tiemu command-line interface to overflow the stack buffer and overwrite the instruction pointer with malicious addresses.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.002 (5.9th 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
- Ticalc Texas Instrument Emulator — versions 3.03
Weakness classification (CWE)
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20040?
- CVE-2016-20040 is a high-severity vulnerability in Ticalc Texas Instrument Emulator, classified under Path Traversal. CVSS score: 8.4/10. Published 2026-03-28.
- How severe is CVE-2016-20040?
- High severity. CVSS v3 base score is 8.4 out of 10.