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CVE-2026-57432

🗓️ 13 Jul 2026 15:38:20Reported by CPANSecType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack. S_measure_struct adds each item's size times its repeat count to a running total with no overflow check, so a larg...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-57432
13 Jul 202615:38
attackerkb
Circl
CVE-2026-57432
13 Jul 202617:37
circl
Cvelist
CVE-2026-57432 Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack
13 Jul 202615:38
cvelist
EUVD
EUVD-2026-43502
13 Jul 202615:38
euvd
NVD
CVE-2026-57432
13 Jul 202617:17
nvd
OSV
DEBIAN-CVE-2026-57432
13 Jul 202621:48
osv
Positive Technologies
PT-2026-57823
13 Jul 202600:00
ptsecurity
[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "packageName": "perl",
    "product": "perl",
    "programFiles": [
      "pp_pack.c"
    ],
    "programRoutines": [
      {
        "name": "S_measure_struct"
      }
    ],
    "repo": "https://github.com/Perl/perl5",
    "vendor": "SHAY",
    "versions": [
      {
        "lessThanOrEqual": "5.43.10",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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13 Jul 2026 20:16Current
6.2Medium risk
Vulners AI Score6.2
8