CVE-2006-10003
Status: ModifiedCritical (9.8)—
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
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Base score: 9.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.55%
- Percentile among all scored CVEs: 44
- Score date: 10/5/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1190Exploit Public-Facing Applicationinitial access85 % - Primary impact
T1059Command and Scripting Interpreterexecution80 % - Secondary impact
T1068Exploitation for Privilege Escalationprivilege escalation75 %
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N indica red sin autenticación; CWE-122 (buffer overflow) en parser XML expone aplicación. Desbordamiento de heap permite ejecución de código remota o escalada de privilegios.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (1)
CWEs
- CWE-122, CWE-193
- CWE-193
References
- https://github.com/cpan-authors/XML-Parser/commit/3eb9cc95420fa0c3f76947c4708962546bf27cfd.patch
- https://github.com/cpan-authors/XML-Parser/issues/39
- https://rt.cpan.org/Ticket/Display.html?id=19860
- http://www.openwall.com/lists/oss-security/2026/03/19/2
- https://lists.debian.org/debian-lts-announce/2026/04/msg00002.html
- https://access.redhat.com/errata/RHSA-2026:7679
- https://access.redhat.com/errata/RHSA-2026:7680
- https://access.redhat.com/errata/RHSA-2026:7681
- https://access.redhat.com/errata/RHSA-2026:8577
- https://access.redhat.com/errata/RHSA-2026:8578
- https://access.redhat.com/errata/RHSA-2026:8608
- https://access.redhat.com/errata/RHSA-2026:8609
- https://access.redhat.com/errata/RHSA-2026:8610
- https://access.redhat.com/errata/RHSA-2026:9110
- https://access.redhat.com/errata/RHSA-2026:9246
- https://access.redhat.com/errata/RHSA-2026:9258
- https://access.redhat.com/errata/RHSA-2026:9259
- https://access.redhat.com/errata/RHSA-2026:9605
- https://access.redhat.com/security/cve/CVE-2006-10003
- https://bugzilla.redhat.com/show_bug.cgi?id=2448999
- https://security.access.redhat.com/data/csaf/v2/vex/2006/cve-2006-10003.json
Raw JSON (NVD)
Show
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"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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},
{
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}
],
"lastModified": "2026-07-15T02:16:55.277",
"configurations": [
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