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Status published
High
CVE-2017-9233
XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat...
Vulnerability Description
XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://support.apple.com/HT208144
- https://libexpat.github.io/doc/cve-2017-9233/
- https://github.com/libexpat/libexpat/blob/master/expat/Changes
- http://www.securitytracker.com/id/1039427
- https://support.apple.com/HT208113
- https://support.apple.com/HT208112
- https://support.apple.com/HT208115
- http://www.debian.org/security/2017/dsa-3898
- http://www.securityfocus.com/bid/99276
- http://www.openwall.com/lists/oss-security/2017/06/17/7
- https://support.f5.com/csp/article/K03244804
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
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Affected Vendor
libexpat project
View all reports →Affected Software
libexpat, python, debian linux
Vulnerable Versions:
0, 2.7.0, 3.3.0, 3.4.0, 3.5.0, 3.6.0, 8.0, 9.0, 10.0
Timeline
Official Publish:
July 25th, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.