CVE-2017-9233Published
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.
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2017-9233 · Microsoft / collected KEV context
cve-program · CVE-2017-9233
- 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
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.