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TI-2026-31143 Aliases CVE-2026-42953GHSA-r42h-hrr3-8vrv

Out-of-bounds write in Labcenter Proteus

Priority LOW 38CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

The application contains an out-of-bounds write vulnerability that can be exploited by an attacker to cause the program to write data past the end of an allocated memory buffer. This can lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00184 8th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Labcenter ElectronicsProteus9.1_SP4_Build-42914—No fix listedCNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42953
  2. 2026-10-03 Alias added: GHSA-r42h-hrr3-8vrv

References

  • TI-2026-36266 Stack-Based Buffer Overflow in Labcenter Proteus CVSS 4.0HIGH 8.4
  • TI-2026-31145 Use After Free in Labcenter Proteus CVSS 4.0HIGH 8.4
  • TI-2026-04815 Type confusion in Labcenter Electronics Proteus CVSS 3.0HIGH 7.8
  • TI-2026-04814 Out-of-bounds write in Labcenter Electronics Proteus CVSS 3.0HIGH 7.8
  • TI-2026-04813 Out-of-bounds write in Labcenter Electronics Proteus CVSS 3.0HIGH 7.8
  • TI-2026-04812 Out-of-bounds write in Labcenter Electronics Proteus CVSS 3.0HIGH 7.8

Sources