CVE catalog
CVE-2021-45451
mbedtls: CVE-2021-45451
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.95% · Oct 27, 2026
In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.
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 | mbedtls | sid | 3.6.7-3 | not affected |
| Debian | mbedtls | forky | 3.6.7-3 | not affected |
| Debian | mbedtls | trixie | 3.6.6-0.1~deb13u1 | not affected |
| Debian | mbedtls | bookworm | 2.28.3-1 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mbedtls | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | mbedtls | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | mbedtls | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | mbedtls | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libmbedcrypto7]Not affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
2.28.3-1· arm64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
- [libmbedtls14]Not affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
2.28.3-1· arm64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
- [libmbedtls-dev]Not affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
2.28.3-1· arm64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
- [libmbedtls-doc]Not affected
Source package: [mbedtls]
Details (2)
2.28.3-1· all · bookwormNot affected
dsa · mbedtls · debian · bookworm
2.28.3-1· all · bookwormNot affected
dsa · mbedtls · debian · bookworm
- [libmbedx509-1]Not affected
Source package: [mbedtls]
Details (2)
2.28.3-1· amd64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
2.28.3-1· arm64 · bookwormNot affected
dsa · mbedtls · debian · bookworm
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-806742.json]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-45451]
- [https://security-tracker.debian.org/tracker/CVE-2021-45451]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-45451.json]
[CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]