ClamAV FSG File Format Processing Out-of-Bounds Memory Corruption Vulnerability (Cisco Cisco Secure Endpoint)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.57 % · percentile 47 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Analyzed
Description
A vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in FSG files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains portable executable content compressed with FSG to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.
Weaknesses (CWE)
- CWE-120 — Buffer Copy without Checking Size of Input
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | cisco |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · psirt@cisco.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-41079
- GCVE · GCVE-0-2026-20214
CERT-FR advisories
- CERTFR-2026-AVI-0873 — Multiples vulnérabilités dans Microsoft Azure Linux · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0825 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0824 — Multiples vulnérabilités dans ClamAV · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:*< 1.27.2cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:*< 1.29.0cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:*< 8.6.2cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*< 1.4.5cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*≥ 1.5.0 < 1.5.3
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Secure Endpoint | affected 7.0.5 ; affected 6.2.19 ; affected 7.3.3 ; affected 7.2.13 ; affected 6.1.5 ; affected 6.3.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |