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4 vulnerabilities found for XML::Parser by TODDR

CVE-2006-10003 (GCVE-0-2006-10003)

Vulnerability from nvd – Published: 2026-03-19 11:08 – Updated: 2026-03-19 17:20
VLAI?
Title
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack
Summary
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack. In the case (stackptr == stacksize - 1), the stack will NOT be expanded. Then the new value will be written at location (++stackptr), which equals stacksize and therefore falls just outside the allocated buffer. The bug can be observed when parsing an XML file with very deep element nesting
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
TODDR XML::Parser Affected: 0 , ≤ 2.47 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2006-10002 (GCVE-0-2006-10002)

Vulnerability from nvd – Published: 2026-03-19 11:03 – Updated: 2026-03-19 17:20
VLAI?
Title
XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes
Summary
XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes. A :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl's read() returns decoded characters while SvPV() gives back multi-byte UTF-8 bytes that can exceed the pre-allocated buffer size. This can cause heap corruption (double free or corruption) and crashes.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
  • CWE-176 - Improper Handling of Unicode Encoding
Assigner
References
Impacted products
Vendor Product Version
TODDR XML::Parser Affected: 0 , ≤ 2.47 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2006-10003 (GCVE-0-2006-10003)

Vulnerability from cvelistv5 – Published: 2026-03-19 11:08 – Updated: 2026-03-19 17:20
VLAI?
Title
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack
Summary
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack. In the case (stackptr == stacksize - 1), the stack will NOT be expanded. Then the new value will be written at location (++stackptr), which equals stacksize and therefore falls just outside the allocated buffer. The bug can be observed when parsing an XML file with very deep element nesting
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
TODDR XML::Parser Affected: 0 , ≤ 2.47 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2006-10002 (GCVE-0-2006-10002)

Vulnerability from cvelistv5 – Published: 2026-03-19 11:03 – Updated: 2026-03-19 17:20
VLAI?
Title
XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes
Summary
XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes. A :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl's read() returns decoded characters while SvPV() gives back multi-byte UTF-8 bytes that can exceed the pre-allocated buffer size. This can cause heap corruption (double free or corruption) and crashes.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
  • CWE-176 - Improper Handling of Unicode Encoding
Assigner
References
Impacted products
Vendor Product Version
TODDR XML::Parser Affected: 0 , ≤ 2.47 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/03/19/1"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "XML-Parser",
          "product": "XML::Parser",
          "programFiles": [
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          "programRoutines": [
            {
              "name": "parse_stream"
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          "repo": "http://github.com/toddr/XML-Parser",
          "vendor": "TODDR",
          "versions": [
            {
              "lessThanOrEqual": "2.47",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes.\n\nA :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl\u0027s read() returns decoded characters while SvPV() gives back multi-byte UTF-8 bytes that can exceed the pre-allocated buffer size. This can cause heap corruption (double free or corruption) and crashes."
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          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-176",
              "description": "CWE-176 Improper Handling of Unicode Encoding",
              "lang": "en",
              "type": "CWE"
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          ]
        }
      ],
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          "tags": [
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          "url": "https://rt.cpan.org/Ticket/Display.html?id=19859"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/cpan-authors/XML-Parser/issues/64"
        },
        {
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            "patch"
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        }
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      "solutions": [
        {
          "lang": "en",
          "value": "Apply the patch that has been publicly available since 2006-06-13 or upgrade to version 2.48 or later when it is released."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2006-06-13T00:00:00.000Z",
          "value": "Issue logged in Request Tracker for XML::Parser"
        },
        {
          "lang": "en",
          "time": "2006-08-11T00:00:00.000Z",
          "value": "Patch provided in Request Tracker for XML::Parser"
        },
        {
          "lang": "en",
          "time": "2019-09-24T00:00:00.000Z",
          "value": "Issue migrated to github issue tracker"
        },
        {
          "lang": "en",
          "time": "2019-09-24T00:00:00.000Z",
          "value": "Patch provided in github issue tracker"
        },
        {
          "lang": "en",
          "time": "2026-03-16T00:00:00.000Z",
          "value": "PR created and commit merged to git repo"
        }
      ],
      "title": "XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes",
      "workarounds": [
        {
          "lang": "en",
          "value": "Apply the patch that has been publicly available since 2006-06-13."
        }
      ],
      "x_generator": {
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  "cveMetadata": {
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    "assignerShortName": "CPANSec",
    "cveId": "CVE-2006-10002",
    "datePublished": "2026-03-19T11:03:46.888Z",
    "dateReserved": "2026-03-16T22:47:45.685Z",
    "dateUpdated": "2026-03-19T17:20:56.821Z",
    "state": "PUBLISHED"
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}