CVE-2026-45447: Heap Use-After-Free in the PKCS7_verify() Function
Overview
- Severity
- High (CVSS 8.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jun
- Released
- 2026-06-13
- Last Updated
- 2026-07-21
- EPSS Score
- 5.24% (percentile: 91.7%)
Detection & Weaponization (1 sources)
Maturity: Exploit
- GitHub PoC: 2 repositories
Affected Products (7)
Other
Open Source Software
- azl3 cloud-hypervisor 51.1.56-1 on Azure Linux 3.0
- azl3 edk2 20240524git3e722403cd16-17 on Azure Linux 3.0
- azl3 nodejs 24.14.1-3 on Azure Linux 3.0
- azl3 qemu 9.1.0-7 on Azure Linux 3.0
- azl3 rust 1.75.0-29 on Azure Linux 3.0
- azl3 rust 1.90.0-8 on Azure Linux 3.0
Revision History
- 2026-06-13: Information published.
- 2026-06-18: Information published.
- 2026-06-23: Information published.
- 2026-07-21: Information published.
- 2026-07-21: Information published.