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CVE-2026-59147

Data::DisjointSet::Shared versions before 0.02 for Perl allow out-of-bounds reads and writes via an unvalidated parent index in dsu_find. The attach-time validator dsu_validate_header checks the header scalars and region layout against the file size, but does not validate the array contents it then trusts. dsu_find walks and path-compresses parent[x] with x a raw file-stored index never bounded against the node count, so both the read and the compression write-back land out of bounds. A local
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c849ccba30c85869b91c9f5603be5bf9a6ae1eff31154f96944f6272aa078a6b
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

{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /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:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"Data-DisjointSet-Shared","product":"Data::DisjointSet::Shared","programFiles":["dsu.h"],"programRoutines":[{"name":"dsu_find"}],"repo":"https://github.com/vividsnow/perl5-data-disjointset-shared","vendor":"EGOR","versions":[{"lessThan":"0.02","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /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:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"tags":["release-notes"],"url":"https://metacpan.org/release/EGOR/Data-DisjointSet-Shared-0.02/changes"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /containers/cna/references/1
{"url":"https://metacpan.org/release/EGOR/Data-DisjointSet-Shared-0.02/diff/EGOR/Data-DisjointSet-Shared-0.01#dsu.h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64e8715d90fbb043245b9a41c908065adbc1f7b4f8a8f6154354927cdcd47d91 · sha256:fc0c647bc9be2f1f… · /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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