Read the docs
TI-2023-01312 Aliases CVE-2023-1388GHSA-437c-g4h8-jrv4

Out-of-bounds write in Trellix Agent

Priority LOW 36CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A heap-based overflow vulnerability in TA prior to version 5.7.9 allows a remote user to alter the page heap in the macmnsvc process memory block, resulting in the service becoming unavailable.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00571 47th 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
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
TrellixTrellix Agent5.7.8—No fix listedCNA
  • Trellix Agent VendorTrellix Affected 5.7.8 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:trellix:agent:*:*:*:*:*:*:*:*before 5.7.9VulnerableTrellix
  • cpe:2.3:a:trellix:agent:*:*:*:*:*:*:*:* Versions before 5.7.9 Vulnerable ·Trellix

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1388
  2. 2026-10-03 Alias added: GHSA-437c-g4h8-jrv4

References

  • TI-2023-00925 A vulnerability exists in Trellix Agent for Windows version 5.7.8 and earlier, that… CVSS 3.1HIGH 8.2
  • TI-2024-00193 Buffer overflow in Trellix Agent CVSS 3.1HIGH 8.2
  • TI-2023-00926 Uncontrolled search path in Trellix Agent CVSS 3.1HIGH 7.8
  • TI-2023-00927 Buffer overflow in Trellix Agent CVSS 3.1MEDIUM 6.7
  • TI-2022-03537 Uncontrolled search path in Trellix Agent CVSS 3.1MEDIUM 6.7

Sources