Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting libxml2-python package, versions *
Threat Intelligence
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Test your applications- Snyk IDSNYK-RHEL7-LIBXML2PYTHON-1368379
- published26 Jul 2021
- disclosed25 Jul 2017
Introduced: 25 Jul 2017
CVE-2017-16932 (opens in a new tab)How to fix?
There is no fixed version for RHEL:7 libxml2-python.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxml2-python package and not the libxml2-python package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities.
References
- https://blog.clamav.net/2018/07/clamav-01001-has-been-released.html
- https://bugzilla.gnome.org/show_bug.cgi?id=759579
- https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961
- http://xmlsoft.org/news.html
- https://access.redhat.com/security/cve/CVE-2017-16932
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
- https://usn.ubuntu.com/3739-1/
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html