Debian/openssl: high 7.5
Issue summary: When CMS password-based decryption (RFC 3211 / PWRI key unwrap) processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can trigger a heap out-of-bounds read in
Action: Upgrade openssl to 3.5.6-1~deb13u2 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.5.6-1~deb13u2 | - |
Fixed versions
| 3.5.6-1~deb13u2 |
Sources
- osv: DEBIAN-CVE-2026-9076#Debian:13/openssl
- https://security-tracker.debian.org/tracker/CVE-2026-9076
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