USN-5455-1: xmltok library vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• libxmltok - XML Parser Toolkit, runtime libraries

Details

Tim Boddy, Gustavo Grieco and others discovered that Expat, that is
integrated in xmltok library, incorrectly handled certain files.
An attacker could possibly use these issues to cause a denial of
service, or possibly execute arbitrary code. These issues were only
addressed in Ubuntu 16.04 ESM. (CVE-2012-1148, CVE-2015-1283,
CVE-2016-0718, CVE-2016-4472, CVE-2018-20843, CVE-2019-15903,
CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824,
CVE-2022-22825, CVE-2022-22826, CVE-2022-22827)

It was discovered that Expat, that is integrated in xmltok library,
incorrectly handled encoding validation of certain files. An attacker
could possibly use this issue to cause a denial of service, or
possibly execute arbitrary code. (CVE-2022-25235)

It was discovered that Expat, that is integrated in xmltok library,
incorrectly handled namespace URIs of certain files. An attacker
could possibly use this issue to cause a denial of service, or
possibly execute arbitrary code. (CVE-2022-25236)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04

• libxmltok1 - 1.2-4ubuntu0.22.04.1~esm1
  Available with Ubuntu Pro

Ubuntu 20.04

• libxmltok1 - 1.2-4ubuntu0.20.04.1~esm1
  Available with Ubuntu Pro

Ubuntu 18.04

• libxmltok1 - 1.2-4ubuntu0.18.04.1~esm1
  Available with Ubuntu Pro

Ubuntu 16.04

• libxmltok1 - 1.2-3ubuntu0.16.04.1~esm2
  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

• CVE-2021-46143
• CVE-2022-25235
• CVE-2012-1148
• CVE-2022-22826
• CVE-2022-22824
• CVE-2022-22827
• CVE-2022-25236
• CVE-2015-1283
• CVE-2022-22822
• CVE-2016-0718
• CVE-2019-15903
• CVE-2022-22825
• CVE-2016-4472
• CVE-2022-22823
• CVE-2018-20843

Related notices

• USN-5288-1: lib64expat1-dev, libexpat1, expat, libexpat1-dev, lib64expat1
• USN-1527-2: libxmlrpc-core-c3, xmlrpc-c, libxmlrpc-core-c3-0
• USN-1527-1: lib64expat1, libexpat1-udeb, libexpat1, expat
• USN-1613-1: python2.5-minimal, python2.5
• USN-1613-2: python2.4, python2.4-minimal
• USN-3013-1: libxmlrpc-core-c3, xmlrpc-c, libxmlrpc-c++4
• USN-2726-1: lib64expat1-dev, libexpat1-udeb, libexpat1, expat, libexpat1-dev, lib64expat1
• USN-2677-1: liboxideqt-qmlplugin, oxide-qt, oxideqmlscene, oxideqt-codecs, oxideqt-codecs-extra, oxideqt-chromedriver, liboxideqtcore0, liboxideqtquick0
• USN-4772-1: vnc4server, xvnc4viewer, vnc4
• USN-3044-1: firefox-locale-hr, firefox-locale-fy, firefox-locale-fa, firefox-locale-mr, firefox-locale-ro, firefox-locale-pl, firefox-locale-ms, firefox-locale-de, firefox-locale-et, firefox-locale-ga, firefox-locale-tr, firefox-locale-hsb, firefox-locale-sk, firefox, firefox-locale-fr, firefox-locale-lt, firefox-locale-eo, firefox-locale-hy, firefox-locale-sv, firefox-locale-af, firefox-locale-pt, firefox-locale-he, firefox-locale-br, firefox-locale-ka, firefox-locale-ta, firefox-locale-nl, firefox-locale-el, firefox-globalmenu, firefox-locale-sl, firefox-locale-zh-hans, firefox-locale-kk, firefox-locale-gl, firefox-locale-te, firefox-locale-si, firefox-locale-oc, firefox-locale-or, firefox-locale-km, firefox-locale-ko, firefox-locale-uk, firefox-locale-sq, firefox-locale-id, firefox-locale-kn, firefox-locale-mk, firefox-locale-cak, firefox-locale-nso, firefox-locale-hu, firefox-locale-pa, firefox-locale-ja, firefox-locale-mn, firefox-locale-xh, firefox-locale-az, firefox-locale-gd, firefox-locale-gu, firefox-locale-ca, firefox-locale-zh-hant, firefox-locale-bs, firefox-locale-ar, firefox-locale-nn, firefox-locale-ml, firefox-locale-an, firefox-locale-uz, firefox-locale-as, firefox-locale-zu, firefox-mozsymbols, firefox-locale-csb, firefox-locale-da, firefox-locale-en, firefox-locale-it, firefox-locale-mai, firefox-locale-fi, firefox-locale-sr, firefox-testsuite, firefox-locale-be, firefox-locale-ru, firefox-dev, firefox-locale-bg, firefox-locale-lg, firefox-locale-th, firefox-locale-sw, firefox-locale-ast, firefox-locale-ku, firefox-locale-vi, firefox-locale-nb, firefox-locale-eu, firefox-locale-lv, firefox-locale-is, firefox-locale-cy, firefox-locale-es, firefox-locale-bn, firefox-locale-hi, firefox-locale-cs, firefox-locale-gn
• USN-2983-1: lib64expat1-dev, libexpat1-udeb, libexpat1, expat, libexpat1-dev, lib64expat1
• USN-4202-1: xul-ext-gdata-provider, thunderbird-locale-nl, thunderbird-locale-he, thunderbird-locale-lt, thunderbird-dev, thunderbird-locale-ro, thunderbird-locale-ga, thunderbird-locale-sv-se, thunderbird-gnome-support, thunderbird-locale-es-es, thunderbird-locale-pa-in, thunderbird-locale-es-ar, thunderbird-locale-rm, thunderbird-locale-da, thunderbird-locale-sq, thunderbird-locale-en, thunderbird-locale-bn-bd, thunderbird-locale-de, thunderbird-mozsymbols, thunderbird-locale-uz, thunderbird-locale-fy-nl, thunderbird-locale-fi, thunderbird, thunderbird-locale-ko, thunderbird-locale-cy, thunderbird-locale-zh-hant, thunderbird-locale-ga-ie, thunderbird-locale-cak, thunderbird-locale-ta-lk, thunderbird-locale-zh-cn, thunderbird-locale-it, thunderbird-locale-nn-no, thunderbird-locale-pl, thunderbird-locale-ka, thunderbird-locale-hy, thunderbird-locale-gd, thunderbird-locale-kk, thunderbird-locale-tr, thunderbird-locale-et, thunderbird-locale-bn, thunderbird-locale-sr, thunderbird-locale-ms, thunderbird-locale-sl, thunderbird-locale-ja, thunderbird-locale-si, xul-ext-calendar-timezones, thunderbird-locale-ta, thunderbird-locale-nb, thunderbird-locale-ru, thunderbird-locale-gl, thunderbird-locale-pt-br, thunderbird-locale-ca, xul-ext-lightning, thunderbird-locale-is, thunderbird-locale-eu, thunderbird-locale-zh-hans, thunderbird-locale-kab, thunderbird-locale-ast, thunderbird-locale-bg, thunderbird-locale-fr, thunderbird-locale-mk, thunderbird-locale-nb-no, thunderbird-locale-be, thunderbird-locale-pa, thunderbird-locale-vi, thunderbird-locale-ar, thunderbird-locale-dsb, thunderbird-locale-sv, thunderbird-locale-uk, thunderbird-locale-pt-pt, thunderbird-locale-hu, thunderbird-locale-el, thunderbird-locale-fy, thunderbird-locale-zh-tw, thunderbird-locale-cs, thunderbird-locale-hsb, thunderbird-locale-af, thunderbird-locale-id, thunderbird-locale-es, thunderbird-locale-hr, thunderbird-locale-pt, thunderbird-locale-en-us, thunderbird-locale-nn, thunderbird-locale-sk, thunderbird-locale-en-gb, thunderbird-locale-br
• USN-4335-1: xul-ext-gdata-provider, thunderbird-locale-nl, thunderbird-locale-he, thunderbird-locale-lt, thunderbird-dev, thunderbird-locale-ro, thunderbird-locale-ga, thunderbird-locale-sv-se, thunderbird-gnome-support, thunderbird-locale-es-es, thunderbird-locale-pa-in, thunderbird-locale-es-ar, thunderbird-locale-rm, thunderbird-locale-da, thunderbird-locale-sq, thunderbird-locale-en, thunderbird-locale-bn-bd, thunderbird-locale-de, thunderbird-mozsymbols, thunderbird-locale-uz, thunderbird-locale-fy-nl, thunderbird-locale-fi, thunderbird, thunderbird-locale-ko, thunderbird-locale-cy, thunderbird-locale-zh-hant, thunderbird-locale-ga-ie, thunderbird-locale-cak, thunderbird-locale-ta-lk, thunderbird-locale-zh-cn, thunderbird-locale-it, thunderbird-locale-nn-no, thunderbird-locale-pl, thunderbird-locale-ka, thunderbird-locale-hy, thunderbird-locale-gd, thunderbird-locale-kk, thunderbird-locale-tr, thunderbird-locale-et, thunderbird-locale-bn, thunderbird-locale-sr, thunderbird-locale-ms, thunderbird-locale-sl, thunderbird-locale-ja, thunderbird-locale-si, xul-ext-calendar-timezones, thunderbird-locale-ta, thunderbird-locale-nb, thunderbird-locale-ru, thunderbird-locale-gl, thunderbird-locale-pt-br, thunderbird-locale-ca, xul-ext-lightning, thunderbird-locale-is, thunderbird-locale-eu, thunderbird-locale-zh-hans, thunderbird-locale-kab, thunderbird-locale-ast, thunderbird-locale-bg, thunderbird-locale-fr, thunderbird-locale-mk, thunderbird-locale-nb-no, thunderbird-locale-be, thunderbird-locale-pa, thunderbird-locale-vi, thunderbird-locale-ar, thunderbird-locale-dsb, thunderbird-locale-sv, thunderbird-locale-uk, thunderbird-locale-pt-pt, thunderbird-locale-hu, thunderbird-locale-el, thunderbird-locale-fy, thunderbird-locale-zh-tw, thunderbird-locale-cs, thunderbird-locale-hsb, thunderbird-locale-af, thunderbird-locale-id, thunderbird-locale-es, thunderbird-locale-hr, thunderbird-locale-pt, thunderbird-locale-en-us, thunderbird-locale-nn, thunderbird-locale-sk, thunderbird-locale-en-gb, thunderbird-locale-br
• USN-4165-1: firefox-locale-hr, firefox-locale-fy, firefox-geckodriver, firefox-locale-fa, firefox-locale-mr, firefox-locale-ro, firefox-locale-pl, firefox-locale-ms, firefox-locale-de, firefox-locale-et, firefox-locale-ga, firefox-locale-tr, firefox-locale-hsb, firefox-locale-sk, firefox, firefox-locale-fr, firefox-locale-lt, firefox-locale-eo, firefox-locale-hy, firefox-locale-sv, firefox-locale-af, firefox-locale-pt, firefox-locale-ne, firefox-locale-he, firefox-locale-br, firefox-locale-my, firefox-locale-ka, firefox-locale-ta, firefox-locale-nl, firefox-locale-el, firefox-locale-sl, firefox-locale-zh-hans, firefox-locale-kk, firefox-locale-gl, firefox-locale-te, firefox-locale-si, firefox-locale-oc, firefox-locale-or, firefox-locale-km, firefox-locale-ko, firefox-locale-uk, firefox-locale-sq, firefox-locale-id, firefox-locale-kn, firefox-locale-mk, firefox-locale-cak, firefox-locale-nso, firefox-locale-hu, firefox-locale-pa, firefox-locale-ja, firefox-locale-mn, firefox-locale-xh, firefox-locale-az, firefox-locale-gd, firefox-locale-gu, firefox-locale-ca, firefox-locale-zh-hant, firefox-locale-bs, firefox-locale-ar, firefox-locale-nn, firefox-locale-ml, firefox-locale-an, firefox-locale-uz, firefox-locale-as, firefox-locale-zu, firefox-mozsymbols, firefox-locale-csb, firefox-locale-kab, firefox-locale-ur, firefox-locale-da, firefox-locale-en, firefox-locale-it, firefox-locale-ia, firefox-locale-mai, firefox-locale-fi, firefox-locale-sr, firefox-locale-be, firefox-locale-ru, firefox-dev, firefox-locale-bg, firefox-locale-lg, firefox-locale-th, firefox-locale-sw, firefox-locale-ast, firefox-locale-ku, firefox-locale-vi, firefox-locale-nb, firefox-locale-eu, firefox-locale-lv, firefox-locale-is, firefox-locale-cy, firefox-locale-es, firefox-locale-bn, firefox-locale-hi, firefox-locale-cs, firefox-locale-gn
• USN-4132-2: lib64expat1-dev, libexpat1-udeb, libexpat1, expat, libexpat1-dev, lib64expat1
• USN-4132-1: lib64expat1-dev, libexpat1-udeb, libexpat1, expat, libexpat1-dev, lib64expat1
• USN-4852-1: libvtk-java, libvtk5-dev, libvtk5.8-qt4, libvtk5.10, libvtk5.8, vtk, vtk-doc, python-vtk, vtk-examples, libvtk5.10-qt4, libvtk5-qt4-dev, tcl-vtk
• USN-4040-1: lib64expat1-dev, libexpat1-udeb, libexpat1, expat, libexpat1-dev, lib64expat1
• USN-4040-2: lib64expat1-dev, libexpat1-udeb, libexpat1, expat, libexpat1-dev, lib64expat1