High severity7.5NVD Advisory· Published Jul 25, 2017· Updated May 13, 2026
CVE-2017-9233
CVE-2017-9233
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.
Affected products
5cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
13- libexpat.github.io/doc/cve-2017-9233/nvdExploitTechnical DescriptionVendor Advisory
- www.debian.org/security/2017/dsa-3898nvdThird Party Advisory
- www.securityfocus.com/bid/99276nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1039427nvdThird Party AdvisoryVDB Entry
- github.com/libexpat/libexpat/blob/master/expat/ChangesnvdRelease NotesThird Party Advisory
- support.apple.com/HT208112nvdThird Party Advisory
- support.apple.com/HT208113nvdThird Party Advisory
- support.apple.com/HT208115nvdThird Party Advisory
- support.apple.com/HT208144nvdThird Party Advisory
- support.f5.com/csp/article/K03244804nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2017/06/17/7nvdMailing ListVDB Entry
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3Envd
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3Envd
News mentions
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