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CVE-2026-34871

An issue was discovered in Mbed TLS before 3.6.6 and 4.x before 4.1.0 and TF-PSA-Crypto before 1.1.0. There is a Predictable Seed in a Pseudo-Random Number Generator (PRNG).
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:781bf2ae5e8c749d9b899189d908e25ffc87f0fabe3b4d90e614e8f3acf9d083
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-338","description":"CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-338","description":"CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/cna/references/0
{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-dev-random/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:09ddb645be32eb1326cac09dd0baf89a85dc9389b4382d19e361a7c76e87c00b · sha256:c3c2b5e3a6611fbe… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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