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

Vulnerability from cvelistv5 – Published: 2026-03-19 11:08 – Updated: 2026-06-30 03:21
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
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://rt.cpan.org/Ticket/Display.html?id=19860 issue-tracking
https://github.com/cpan-authors/XML-Parser/issues/39 issue-tracking
https://github.com/cpan-authors/XML-Parser/commit… patch
http://www.openwall.com/lists/oss-security/2026/03/19/2
https://lists.debian.org/debian-lts-announce/2026…
https://access.redhat.com/security/cve/CVE-2006-10003 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2448999 issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v… x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8578 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9110 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7680 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7681 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8609 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8608 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8610 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8577 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9246 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9258 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9259 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9605 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7679 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
TODDR XML::Parser Affected: 0 , ≤ 2.47 (custom)
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Red Hat Red Hat Enterprise Linux Server (v. 7 ELS)     cpe:/o:redhat:rhel_els:7
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Red Hat Red Hat Enterprise Linux AppStream EUS (v. 10.0)     cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat Enterprise Linux AppStream (v. 10)     cpe:/o:redhat:enterprise_linux:10.1
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Red Hat Red Hat Enterprise Linux AppStream (v. 8)     cpe:/a:redhat:enterprise_linux:8::appstream
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Red Hat Red Hat Enterprise Linux AppStream AUS (v. 8.2)     cpe:/a:redhat:rhel_aus:8.2::appstream
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Red Hat Red Hat Enterprise Linux AppStream AUS (v.8.4)     cpe:/a:redhat:rhel_aus:8.4::appstream
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Red Hat Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)     cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
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Red Hat Red Hat Enterprise Linux AppStream AUS (v.8.6)     cpe:/a:redhat:rhel_aus:8.6::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.8.6)     cpe:/a:redhat:rhel_e4s:8.6::appstream
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Red Hat Red Hat Enterprise Linux AppStream TUS (v.8.6)     cpe:/a:redhat:rhel_tus:8.6::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.8.8)     cpe:/a:redhat:rhel_e4s:8.8::appstream
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Red Hat Red Hat Enterprise Linux AppStream TUS (v.8.8)     cpe:/a:redhat:rhel_tus:8.8::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.9.0)     cpe:/a:redhat:rhel_e4s:9.0::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.9.2)     cpe:/a:redhat:rhel_e4s:9.2::appstream
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Red Hat Red Hat Enterprise Linux AppStream EUS (v.9.4)     cpe:/a:redhat:rhel_eus:9.4::appstream
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Red Hat Red Hat Enterprise Linux AppStream EUS (v.9.6)     cpe:/a:redhat:rhel_eus:9.6::appstream
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Red Hat Red Hat Enterprise Linux AppStream (v. 9)     cpe:/a:redhat:enterprise_linux:9::appstream
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Show details on NVD website

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A remote attacker could exploit this by providing a specially crafted XML file, potentially leading to memory corruption.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-193\", \"description\": \"Off-by-one Error\"}]}], \"providerMetadata\": {\"orgId\": \"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\", \"shortName\": \"redhat-SADP\", \"dateUpdated\": \"2026-06-30T03:21:11.236Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2006-10003\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-19T17:08:41.621885Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-19T17:09:53.422Z\"}}], \"cna\": {\"title\": \"XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"affected\": [{\"repo\": \"http://github.com/toddr/XML-Parser\", \"vendor\": \"TODDR\", \"product\": \"XML::Parser\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.47\"}], \"packageName\": \"XML-Parser\", \"programFiles\": [\"Expat.xs\"], \"collectionURL\": \"https://cpan.org/modules\", \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"startElement\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2006-06-13T00:00:00.000Z\", \"value\": \"Issue logged and patch provided in Request Tracker for XML::Parser\"}, {\"lang\": \"en\", \"time\": \"2019-09-23T00:00:00.000Z\", \"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\"}], \"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.\"}], \"references\": [{\"url\": \"https://rt.cpan.org/Ticket/Display.html?id=19860\", \"tags\": [\"issue-tracking\"]}, {\"url\": \"https://github.com/cpan-authors/XML-Parser/issues/39\", \"tags\": [\"issue-tracking\"]}, {\"url\": \"https://github.com/cpan-authors/XML-Parser/commit/3eb9cc95420fa0c3f76947c4708962546bf27cfd.patch\", \"tags\": [\"patch\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Apply the patch that has been publicly available since 2006-06-13.\"}], \"x_generator\": {\"engine\": \"cpansec-cna-tool 0.1\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack.\\n\\nIn 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.\\n\\nThe bug can be observed when parsing an XML file with very deep element nesting\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-193\", \"description\": \"CWE-193 Off-by-one Error\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-122\", \"description\": \"CWE-122 Heap-based Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"9b29abf9-4ab0-4765-b253-1875cd9b441e\", \"shortName\": \"CPANSec\", \"dateUpdated\": \"2026-03-19T11:08:04.341Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2006-10003\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-30T03:21:11.236Z\", \"dateReserved\": \"2026-03-16T22:52:39.890Z\", \"assignerOrgId\": \"9b29abf9-4ab0-4765-b253-1875cd9b441e\", \"datePublished\": \"2026-03-19T11:08:04.341Z\", \"assignerShortName\": \"CPANSec\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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