CVE-2025-7018: CWE-476 NULL Pointer Dereference in Gen Digital Avira Antivirus
Null pointer dereference vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.64.
AI Analysis
Technical Summary
CVE-2025-7018 is a null pointer dereference vulnerability (CWE-476) in the Gen Digital Avira Antivirus engine. When the engine scans a specially crafted malformed Windows PE file, it may dereference a null pointer, causing the antivirus process to crash and leading to denial-of-service. This affects Avira Antivirus engine builds prior to 8.3.70.64 on Windows, macOS, and Linux. The vulnerability has a CVSS 3.1 base score of 5.5, indicating medium severity. No vendor advisory or patch information is available at this time.
Potential Impact
Successful exploitation of this vulnerability results in denial-of-service of the Avira Antivirus engine process, potentially disabling antivirus protection temporarily. There is no impact on confidentiality or integrity according to the CVSS vector. The denial-of-service could affect system security by interrupting antivirus scanning.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when scanning untrusted Windows PE files. Monitor vendor communications for updates on patches or workarounds.
CVE-2025-7018: CWE-476 NULL Pointer Dereference in Gen Digital Avira Antivirus
Description
Null pointer dereference vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.64.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-7018 is a null pointer dereference vulnerability (CWE-476) in the Gen Digital Avira Antivirus engine. When the engine scans a specially crafted malformed Windows PE file, it may dereference a null pointer, causing the antivirus process to crash and leading to denial-of-service. This affects Avira Antivirus engine builds prior to 8.3.70.64 on Windows, macOS, and Linux. The vulnerability has a CVSS 3.1 base score of 5.5, indicating medium severity. No vendor advisory or patch information is available at this time.
Potential Impact
Successful exploitation of this vulnerability results in denial-of-service of the Avira Antivirus engine process, potentially disabling antivirus protection temporarily. There is no impact on confidentiality or integrity according to the CVSS vector. The denial-of-service could affect system security by interrupting antivirus scanning.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when scanning untrusted Windows PE files. Monitor vendor communications for updates on patches or workarounds.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GEN
- Date Reserved
- 2025-07-02T12:01:13.717Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c871ee617e2d834ccceec
Added to database: 06/12/2026, 22:24:30 UTC
Last enriched: 06/20/2026, 16:03:38 UTC
Last updated: 07/31/2026, 19:22:56 UTC
Views: 67
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.