What’s Vulnerable › Vulnerabilities

CVE-2023-1388

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-07 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• Trellix Agent: before 5.7.9 — fixed in 5.7.9

How to fix

Upgrade to a fixed version: Trellix Agent 5.7.9. Check the vendor advisory for mitigations.

References

• https://kcm.trellix.com/corporate/index?page=content&id=SB10398
• https://kcm.trellix.com/corporate/index?page=content&id=SB10398

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