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Vulnerability Details :

CVE-2025-10101

Summary
Assigner-NLOK
Assigner Org ID-dbd8429d-f261-4b1e-94cc-ae3132817e2e
Published At-01 Dec, 2025 | 15:32
Updated At-26 Feb, 2026 | 16:57
Rejected At-
Credits

Crafted Mach-O file may allow Remote Code Execution in Avast Antivirus 15.7 on MacOS

Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection. This issue affects Antivirus: from 15.7 before 3.9.2025.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:NLOK
Assigner Org ID:dbd8429d-f261-4b1e-94cc-ae3132817e2e
Published At:01 Dec, 2025 | 15:32
Updated At:26 Feb, 2026 | 16:57
Rejected At:
▼CVE Numbering Authority (CNA)
Crafted Mach-O file may allow Remote Code Execution in Avast Antivirus 15.7 on MacOS

Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection. This issue affects Antivirus: from 15.7 before 3.9.2025.

Affected Products
Vendor
Avast
Product
Antivirus
Modules
  • engine.so
Platforms
  • MacOS
Default Status
affected
Versions
Affected
  • From 15.7 before 3.9.2025 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-122CWE-122 Heap-based Buffer Overflow
CWECWE-787CWE-787 Out-of-bounds Write
Type: CWE
CWE ID: CWE-122
Description: CWE-122 Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-787
Description: CWE-787 Out-of-bounds Write
Metrics
VersionBase scoreBase severityVector
3.18.1HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-549CAPEC-549 Local Execution of Code
CAPEC ID: CAPEC-549
Description: CAPEC-549 Local Execution of Code
Solutions

Upgrade to virus definitions 25090300 (i.e. 3.9.2025) or newer, released 03/Sep/2025

Configurations
Workarounds
Exploits
Credits
reporter
Mike Zhang
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.gendigital.com/us/en/contact-us/security-advisories/
N/A
Hyperlink: https://www.gendigital.com/us/en/contact-us/security-advisories/
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@nortonlifelock.com
Published At:01 Dec, 2025 | 16:15
Updated At:02 Dec, 2025 | 17:16

Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection. This issue affects Antivirus: from 15.7 before 3.9.2025.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.1HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-122Secondarysecurity@nortonlifelock.com
CWE-787Secondarysecurity@nortonlifelock.com
CWE ID: CWE-122
Type: Secondary
Source: security@nortonlifelock.com
CWE ID: CWE-787
Type: Secondary
Source: security@nortonlifelock.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.gendigital.com/us/en/contact-us/security-advisories/security@nortonlifelock.com
N/A
Hyperlink: https://www.gendigital.com/us/en/contact-us/security-advisories/
Source: security@nortonlifelock.com
Resource: N/A

Change History

0
Information is not available yet

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Details not found