CWE-333 (Improper Handling of Insufficient Entropy in TRNG) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.
True random number generators (TRNG) generally have a limited source of entropy and therefore can fail or block.
| Kind | Name | Class | Prevalence | OS / CPE |
|---|---|---|---|---|
| language | — | Not Language-Specific | Undetermined | — |
These CVEs are mapped to this weakness in this database and kept for traceability and search.
| CVE | Published | Summary |
|---|---|---|
| CVE-2025-62626 | 2025-11-21 | Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values returned by the RDSEED instruction, potentially resulting in the consumption of insuffici… |
| Date | Name | Version | Importance | Comment |
|---|---|---|---|---|
| 2008-07-01 | Eric Dalci | 1.0 | — | updated Time_of_Introduction |
| 2008-09-08 | CWE Content Team | 1.0 | — | updated Common_Consequences, Relationships, Other_Notes, Taxonomy_Mappings |
| 2009-05-27 | CWE Content Team | 1.4 | — | updated Description, Name |
| 2009-10-29 | CWE Content Team | 1.6 | — | updated Description, Other_Notes |
| 2011-06-01 | CWE Content Team | 1.13 | — | updated Common_Consequences, Relationships, Taxonomy_Mappings |
| 2012-05-11 | CWE Content Team | 2.2 | — | updated Relationships |
| 2012-10-30 | CWE Content Team | 2.3 | — | updated Demonstrative_Examples |
| 2017-11-08 | CWE Content Team | 3.0 | — | updated Applicable_Platforms, Likelihood_of_Exploit, Modes_of_Introduction, Relationships |
| 2019-01-03 | CWE Content Team | 3.2 | — | updated Taxonomy_Mappings |
| 2020-02-24 | CWE Content Team | 4.0 | — | updated References, Relationships |
| 2021-07-20 | CWE Content Team | 4.5 | — | updated Maintenance_Notes |
| 2023-04-27 | CWE Content Team | 4.11 | — | updated Relationships |
| 2023-06-29 | CWE Content Team | 4.12 | — | updated Mapping_Notes |
| 2024-02-29 | CWE Content Team | 4.14 | — | updated Relationships |
| 2025-12-11 | CWE Content Team | 4.19 | — | updated Weakness_Ordinalities |