Disclosure summary
ClamAV GPT File Format Processing Memory Corruption Vulnerability
Source-reported weakness categories
CWE-121
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Aug
Open original source · Updated Aug 23, 2026
ClamAV GPT File Format Processing Memory Corruption Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 clamav 1.5.3-1 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 1.5.4-1 · product IDs 21699-17084
- Vendor guidance · product IDs 21699-17084
ClamAV® blog · RSS-26d3ff51a63954f1f38440d90a521e02ecf
Open original source · Updated Aug 07, 2026
ClamAV 1.5.4 and 1.4.6 security patch versions published
CVE mention in publisher metadata; check the original affected versions.
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-08-10T21:17:25-04:00
MODIFIED 2026-08-23T10:48:11-04:00
INGESTED 2026-10-08T12:35:08-04:00