CVE-2025-9033Avira antivirus engine heap buffer OOB read when scanning a malformed PDF file (variant 3)
Updated under an hour ago ()
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It affects Gen Digital Avira Antivirus. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF 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 8.3.70.76.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-125
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GEN
- NVD analysis
- Deferred
- Record last updated
- Jun 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Gen Digital Avira Antivirus gen_digital:avira_antivirus (from the name) | before 8.3.70.76 | CNA record |
References
- https://www.gendigital.com/us/en/contact-us/security-advisories/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.