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CVE-2026-65069 Data::DisjointSet::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

🗓️ 21 Jul 2026 19:10:00Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

CVE-2026-65069: Data::DisjointSet::Shared opens a world readable mmap due to 0666 and missing O_EXCL/O_NOFOLLOW.

Related
Affected
Refs
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "packageName": "Data-DisjointSet-Shared",
    "product": "Data::DisjointSet::Shared",
    "programFiles": [
      "dsu.h"
    ],
    "repo": "https://github.com/vividsnow/perl5-data-disjointset-shared",
    "vendor": "EGOR",
    "versions": [
      {
        "lessThan": "0.02",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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21 Jul 2026 19:10Current
CVSS 3.14
EPSS0.00167
SSVC
47