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CVE-2025-8351

Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.98.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5ef8440783b26b4ae3f7872849421689af8b5b969a7105b9d0cb4dd0133aef40
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0f8ab2f96a010cd9c549f74dfd804e92ff63845d047a792fafba39115b33bff4 · sha256:93d6123bc6e5f507… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-122","description":"CWE-122 Heap-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0f8ab2f96a010cd9c549f74dfd804e92ff63845d047a792fafba39115b33bff4 · sha256:93d6123bc6e5f507… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","platforms":["Windows","macOS","Linux"],"product":"Avira Antivirus","vendor":"Gen Digital","versions":[{"lessThan":"8.3.70.98","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0f8ab2f96a010cd9c549f74dfd804e92ff63845d047a792fafba39115b33bff4 · sha256:93d6123bc6e5f507… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0f8ab2f96a010cd9c549f74dfd804e92ff63845d047a792fafba39115b33bff4 · sha256:93d6123bc6e5f507… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0f8ab2f96a010cd9c549f74dfd804e92ff63845d047a792fafba39115b33bff4 · sha256:93d6123bc6e5f507… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-122","description":"CWE-122 Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0f8ab2f96a010cd9c549f74dfd804e92ff63845d047a792fafba39115b33bff4 · sha256:93d6123bc6e5f507… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.gendigital.com/us/en/contact-us/security-advisories/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0f8ab2f96a010cd9c549f74dfd804e92ff63845d047a792fafba39115b33bff4 · sha256:93d6123bc6e5f507… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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