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CVE-2026-64613 Data::Buffer::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without O_NOFOLLOW

🗓️ 21 Jul 2026 19:05:49Reported by CPANSecType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

CVE-2026-64613: Data::Buffer::Shared pre 0.05 creates a world-readable mmap file and omits O_NOFOLLOW.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64613
21 Jul 202619:05
attackerkb
CVE
CVE-2026-64613
21 Jul 202619:05
cve
EUVD
EUVD-2026-46369
21 Jul 202621:32
euvd
NVD
CVE-2026-64613
21 Jul 202620:17
nvd
Positive Technologies
PT-2026-62055
21 Jul 202600:00
ptsecurity
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "packageName": "Data-Buffer-Shared",
    "product": "Data::Buffer::Shared",
    "programFiles": [
      "buf_generic.h"
    ],
    "repo": "https://github.com/vividsnow/perl5-data-buffer-shared",
    "vendor": "EGOR",
    "versions": [
      {
        "lessThan": "0.05",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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