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CVE-2026-38973

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1393c1eea954e49979644d85e6f87477b341fdfd422c5069185b5bf669862c31
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:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /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:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /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:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://github.com/mrubyc/mrubyc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /containers/cna/references/2
{"url":"https://github.com/mrubyc/mrubyc/commit/f83a8b67ca1c7c62ac0dd548a363d79f767c4e30"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /containers/cna/references/1
{"url":"https://github.com/mrubyc/mrubyc/issues/279%2C"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a14428e3f1e5d21d7753b4d596eba9d181497279c520828402f06490ae62be82 · sha256:fb70890f34806a2d… · /containers/cna/references/0

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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