CVE-2025-4134
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Lack of file validation in Avast Business Antivirus for Linux allows writing untrusted update files
Lack of file validation in do_update_vps in Avast Business Antivirus for Linux 4.5 on Linux allows local user to spoof or tamper with the update file via an unverified file write.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Avast Business Antivirus
- Vendor
- Avast
- Product
- Avast Business Antivirus
- Platforms
- Linux
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.5.1 | affected | customLack of file validation in Avast Business Antivirus for Linux allows writing untrusted update files. | Unavailable | Unavailable | None listed |