CVE catalog
CVE-2023-40857
UBUNTU-CVE-2023-40857
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.06% · Oct 25, 2026
Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | yara | pro | 3.4.0+dfsg-2 | vulnerable |
| Ubuntu | yara | pro | 3.4.0+dfsg-2build1 | vulnerable |
| Ubuntu | yara | pro | 3.4.0+dfsg-2ubuntu0.1~esm1 | vulnerable |
| Ubuntu | yara | pro | 3.6.3+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | yara | pro | 3.7.1-1ubuntu1 | vulnerable |
| Ubuntu | yara | pro | 3.7.1-1ubuntu2 | vulnerable |
| Ubuntu | yara | pro | 3.7.1-1ubuntu2+esm1 | vulnerable |
| Ubuntu | yara | pro | 3.9.0-1 | vulnerable |
| Ubuntu | yara | pro | 3.9.0-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | yara | 22.04 | 4.1.0-1 | vulnerable |
| Ubuntu | yara | 22.04 | 4.1.3-1 | vulnerable |
| Ubuntu | yara | 22.04 | 4.1.3-1build1 | vulnerable |
| Ubuntu | yara | 24.04 | 4.3.2-1 | vulnerable |
| Ubuntu | yara | 24.04 | 4.4.0-1 | vulnerable |
| Ubuntu | yara | 24.04 | 4.5.0-1 | vulnerable |
| Ubuntu | yara | 24.04 | 4.5.0-1build1 | vulnerable |
| Ubuntu | yara | 24.04 | 4.5.0-1build2 | vulnerable |
| Ubuntu | yara | 25.10 | 4.5.2-1 | vulnerable |
| Ubuntu | yara | 25.10 | 4.5.3-1 | vulnerable |
| Ubuntu | yara | 25.10 | 4.5.4-1 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.