CVE Explorer

CVE-2026-42481

Open CASCADE Technology (OCCT) V8_0_0_rc5 contains multiple vulnerabilities in its IGES and STEP file parsers that can be triggered by crafted IGES or STEP files. These issues include an out-of-bounds read in Geom2d_BSplineCurve::EvalD0 during IGES B-spline curve evaluation, an out-of-bounds read in MakeBSplineCurveCommon during STEP B-spline curve construction, and infinite recursion in StepShape_OrientedEdge::EdgeStart when processing a self-referential OrientedEdge entity. Successful exploita

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:369cac4c299d8858ec74d3501b0797e45ce3d1fbca194c90a681a98a75a0f57e

Known exploited

Not asserted

Disputed

Stale source

Conflicts

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:v2:3e989a603ad4fe6f0835d0a2d399480109747258380a40497aad73562967ccd4 · sha256:d5b32acf44f70d20… · /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:v2:3e989a603ad4fe6f0835d0a2d399480109747258380a40497aad73562967ccd4 · sha256:d5b32acf44f70d20… · /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:v2:3e989a603ad4fe6f0835d0a2d399480109747258380a40497aad73562967ccd4 · sha256:d5b32acf44f70d20… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3e989a603ad4fe6f0835d0a2d399480109747258380a40497aad73562967ccd4 · sha256:d5b32acf44f70d20… · /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:v2:3e989a603ad4fe6f0835d0a2d399480109747258380a40497aad73562967ccd4 · sha256:d5b32acf44f70d20… · /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:v2:3e989a603ad4fe6f0835d0a2d399480109747258380a40497aad73562967ccd4 · sha256:d5b32acf44f70d20… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://gist.github.com/sgInnora/dfba083d04906283e9c92aea78e2d94a"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3e989a603ad4fe6f0835d0a2d399480109747258380a40497aad73562967ccd4 · sha256:d5b32acf44f70d20… · /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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