Debian/openssl: critical 9.1
Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVP
Action: Upgrade openssl to 3.6.4-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.4-1 | - |
Fixed versions
| 3.6.4-1 |
Sources
- osv: DEBIAN-CVE-2026-75803#Debian:14/openssl
- https://security-tracker.debian.org/tracker/CVE-2026-75803
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