An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
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{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "libxml2": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-udeb-dbgsym": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-dev": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-utils-dbgsym": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-dbg": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-utils": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-doc": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-dev-dbgsym": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-dbgsym": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-udeb": "2.9.3+dfsg1-1ubuntu0.7+esm4", "libxml2-utils-dbg": "2.9.3+dfsg1-1ubuntu0.7+esm4", "python-libxml2": "2.9.3+dfsg1-1ubuntu0.7+esm4", "python-libxml2-dbg": "2.9.3+dfsg1-1ubuntu0.7+esm4" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libxml2": "2.9.4+dfsg1-6.1ubuntu1.8", "libxml2-dev": "2.9.4+dfsg1-6.1ubuntu1.8", "libxml2-utils-dbgsym": "2.9.4+dfsg1-6.1ubuntu1.8", "libxml2-utils": "2.9.4+dfsg1-6.1ubuntu1.8", "libxml2-doc": "2.9.4+dfsg1-6.1ubuntu1.8", "python3-libxml2": "2.9.4+dfsg1-6.1ubuntu1.8", "libxml2-dbg": "2.9.4+dfsg1-6.1ubuntu1.8", "python3-libxml2-dbg": "2.9.4+dfsg1-6.1ubuntu1.8", "python-libxml2-dbg": "2.9.4+dfsg1-6.1ubuntu1.8", "libxml2-udeb": "2.9.4+dfsg1-6.1ubuntu1.8", "python-libxml2": "2.9.4+dfsg1-6.1ubuntu1.8" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libxml2": "2.9.10+dfsg-5ubuntu0.20.04.5", "libxml2-dev": "2.9.10+dfsg-5ubuntu0.20.04.5", "libxml2-utils-dbgsym": "2.9.10+dfsg-5ubuntu0.20.04.5", "libxml2-utils": "2.9.10+dfsg-5ubuntu0.20.04.5", "libxml2-doc": "2.9.10+dfsg-5ubuntu0.20.04.5", "python3-libxml2": "2.9.10+dfsg-5ubuntu0.20.04.5", "python-libxml2-dbg": "2.9.10+dfsg-5ubuntu0.20.04.5", "libxml2-dbgsym": "2.9.10+dfsg-5ubuntu0.20.04.5", "python3-libxml2-dbg": "2.9.10+dfsg-5ubuntu0.20.04.5", "python-libxml2": "2.9.10+dfsg-5ubuntu0.20.04.5" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libxml2": "2.9.13+dfsg-1ubuntu0.2", "libxml2-dev": "2.9.13+dfsg-1ubuntu0.2", "libxml2-utils-dbgsym": "2.9.13+dfsg-1ubuntu0.2", "libxml2-utils": "2.9.13+dfsg-1ubuntu0.2", "libxml2-doc": "2.9.13+dfsg-1ubuntu0.2", "python3-libxml2": "2.9.13+dfsg-1ubuntu0.2", "libxml2-dbgsym": "2.9.13+dfsg-1ubuntu0.2", "python3-libxml2-dbgsym": "2.9.13+dfsg-1ubuntu0.2" } ] }