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CVE-2019-19956

Description

xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs. #### Bugs * <https://gitlab.gnome.org/GNOME/libxml2/issues/82> #### Notes Author| Note ---|--- [ccdm94](<https://launchpad.net/~ccdm94>) | the fix for this issue, made available with commit 5a02583c, was reverted in version 2.9.11 with commit a0a8059b, since it seems like the fix introduced various memory issues in libxml2. More information regarding this choice made by upstream can be seen at: https://gitlab.gnome.org/GNOME/libxml2/-/issues/161


Affected Package


OS OS Version Package Name Package Version
ubuntu 19.10 libxml2 2.9.4+dfsg1-7ubuntu3.1
ubuntu 20.04 libxml2 2.9.10+dfsg-1ubuntu2
ubuntu 12.04 libxml2 2.7.8.dfsg-5.1ubuntu4.22
ubuntu 14.04 libxml2 2.9.1+dfsg1-3ubuntu4.13+esm1
ubuntu upstream libxml2 2.9.10
ubuntu 16.04 libxml2 2.9.3+dfsg1-1ubuntu0.7

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