Servers and applications
CVE-2026-28386
Issue summary: Applications using AES-CFB128 encryption or decryption on systems with AVX-512 and VAES support can trigger an out-of-bounds read of up to 15 bytes when processing partial cipher blocks. Impact summary: This out-of-bounds read may trigger a crash which leads to Denial of Service for an application if the input buffer ends at a memory page boundary and the following page is…
- Severity
- High 7.5
- Published
- 7 Apr 2026
- Last changed
- 24 Jul 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 3.6.2
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
OpenSSLServers and applications · cpe:a:openssl:openssl |
|