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TI-2016-09216 Aliases CVE-2016-20040GHSA-253h-f8wh-gcxr

TiEmu 3.03-nogdb+dfsg-3 Buffer Overflow via ROM Parameter

Priority HIGH 76CWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00169 6th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ticalcTexas Instrument Emulator3.03—No fix listedCNA
  • Texas Instrument Emulator Vendorticalc Affected 3.03 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-20040
  2. 2026-10-03 Alias added: GHSA-253h-f8wh-gcxr

References

  • TI-2017-14291 TiEmu 2.08 Stack-Based Buffer Overflow Vulnerability CVSS 4.0CRITICAL 9.3

Sources