CVE catalog
CVE-2021-3446
libtpms: CVE-2021-3446
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.15% · Oct 25, 2026
A flaw was found in libtpms in versions before 0.8.2. The commonly used integration of libtpms with OpenSSL contained a vulnerability related to the returned IV (initialization vector) when certain symmetric ciphers were used. Instead of returning the last IV it returned the initial IV to the caller, thus weakening the subsequent encryption and decryption steps. The highest threat from this vulnerability is to data confidentiality.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libtpms | sid | 0.10.2-5 | fixed |
| Debian | libtpms | forky | 0.10.2-5 | fixed |
| Debian | libtpms | trixie | 0.9.2-3.2 | fixed |
| Debian | libtpms | bookworm | 0.9.2-3.1+deb12u1 | fixed |
| Debian | libtpms | bookworm-security | 0.9.2-3.1~deb12u1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libtpms | source | sid | 0.8.2-1 | not yet assigned | Not reported | [986799] |
| Debian | libtpms | source | forky | 0.8.2-1 | not yet assigned | Not reported | [986799] |
| Debian | libtpms | source | trixie | 0.8.2-1 | not yet assigned | Not reported | [986799] |
| Debian | libtpms | source | bookworm | 0.8.2-1 | not yet assigned | Not reported | [986799] |
OpenFactory catalog packages
Vulnerability data is temporarily unavailable.
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_11004-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-3446]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-3446]
- [https://security-tracker.debian.org/tracker/CVE-2021-3446]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3446.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]