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CVE-2026-35387

OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:eac8e382f21da277fc01e2fab711d0fb7d47e214d6dbd12d428d5738a6e8ff70
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"OpenSSH","vendor":"OpenBSD","versions":[{"lessThan":"10.3","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:165c6ceb65779e612c7218edab0f65e7fee579a92f90c58863128a52d25ac182 · sha256:b99662fdcf21eef0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:165c6ceb65779e612c7218edab0f65e7fee579a92f90c58863128a52d25ac182 · sha256:b99662fdcf21eef0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-670","description":"CWE-670 Always-Incorrect Control Flow Implementation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:165c6ceb65779e612c7218edab0f65e7fee579a92f90c58863128a52d25ac182 · sha256:b99662fdcf21eef0… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:165c6ceb65779e612c7218edab0f65e7fee579a92f90c58863128a52d25ac182 · sha256:b99662fdcf21eef0… · /containers/cna/references/1
{"url":"https://www.openssh.org/releasenotes.html#10.3p1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:165c6ceb65779e612c7218edab0f65e7fee579a92f90c58863128a52d25ac182 · sha256:b99662fdcf21eef0… · /containers/cna/references/0
{"url":"https://www.openwall.com/lists/oss-security/2026/04/02/3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:165c6ceb65779e612c7218edab0f65e7fee579a92f90c58863128a52d25ac182 · sha256:b99662fdcf21eef0… · /containers/cna/references/2

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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