50 percent, that's half of it. Women make up roughly half of the world's population. But they rarely make up half the participant on discussion panels, on the microphone, in talk show or conferences. "50 Prozent" documents, how many women* there are.
Moderate severity vulnerability that affects nokogiri
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
The Nokogiri RubyGem has patched it's vendored copy of libxml2 in order to prevent this issue from affecting nokogiri.
libxml2 2.9.10 has an infinite loop in a certain end-of-file situation
Nokogiri has backported the patch for CVE-2020-7595 into its vendored version
of libxml2, and released this as v1.10.8
CVE-2020-7595 has not yet been addressed in an upstream libxml2 release, and
so Nokogiri versions <= v1.10.7 are vulnerable.
In Nokogiri versions <= 1.11.0.rc3, XML Schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accessed over the network, potentially enabling XXE or SSRF attacks.
This behavior is counter to the security policy followed by Nokogiri maintainers, which is to treat all input as untrusted by default whenever possible.
Please note that this security fix was pushed into a new minor version, 1.11.x, rather than a patch release to the 1.10.x branch, because it is a breaking change for some schemas and the risk was assessed to be "Low Severity".
Affected Versions
Nokogiri <= 1.10.10 as well as prereleases 1.11.0.rc1, 1.11.0.rc2, and 1.11.0.rc3
Nokogiri::XML::Schema trusts input by default, exposing risk of an XXE vulnerability
Description
In Nokogiri versions <= 1.11.0.rc3, XML Schemas parsed by Nokogiri::XML::Schema
are trusted by default, allowing external resources to be accessed over the
network, potentially enabling XXE or SSRF attacks.
This behavior is counter to
the security policy followed by Nokogiri maintainers, which is to treat all input
as untrusted by default whenever possible.
Please note that this security
fix was pushed into a new minor version, 1.11.x, rather than a patch release to
the 1.10.x branch, because it is a breaking change for some schemas and the risk
was assessed to be "Low Severity".
Affected Versions
Nokogiri <= 1.10.10 as well as prereleases 1.11.0.rc1, 1.11.0.rc2, and 1.11.0.rc3
Note that two additional CVEs were addressed upstream but are not relevant to this release. CVE-2021-3516 via xmllint is not present in Nokogiri, and CVE-2020-7595 has been patched in Nokogiri since v1.10.8 (see #1992).
Please note that this advisory only applies to the CRuby implementation of Nokogiri < 1.11.4, and only if the packaged version of libxml2 is being used. If you've overridden defaults at installation time to use system libraries instead of packaged libraries, you should instead pay attention to your distro's libxml2 release announcements.
Note that two additional CVEs were addressed upstream but are not relevant to this release. CVE-2021-3516 via xmllint is not present in Nokogiri, and CVE-2020-7595 has been patched in Nokogiri since v1.10.8 (see #1992).
[CRuby] vendored libxml2 is updated from 2.9.10 to 2.9.12. (Note that 2.9.11 was skipped because it was superseded by 2.9.12 a few hours after its release.)
1.11.3 / 2021-04-07
Fixed
[CRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this likely segfaulted. [#1900]
[JRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this raised a TypeError exception.
[CRuby] arm64/aarch64 systems (like Apple's M1) can now compile libxml2 and libxslt from source (though we continue to strongly advise users to install the native gems for the best possible experience)
1.11.2 / 2021-03-11
Fixed
[CRuby] NodeSet may now safely contain Node objects from multiple documents. Previously the GC lifecycle of the parent Document objects could lead to nodes being GCed while still in scope. [#1952]
[CRuby+Windows] Enable Nokogumbo (and other downstream gems) to compile and link against nokogiri.so by including LDFLAGS in Nokogiri::VERSION_INFO. [#2167]
[CRuby] {XML,HTML}::Document.parse now invokes #initialize exactly once. Previously #initialize was invoked twice on each object.
[JRuby] {XML,HTML}::Document.parse now invokes #initialize exactly once. Previously #initialize was not called, which was a problem for subclassing such as done by Loofah.
Improved
Reduce the number of object allocations needed when parsing an HTML::DocumentFragment. [#2087] (Thanks, @ashmaroli!)
[JRuby] Update the algorithm used to calculate Node#line to be wrong less-often. The underlying parser, Xerces, does not track line numbers, and so we've always used a hacky solution for this method. [#1223, #2177]
Introduce --enable-system-libraries and --disable-system-libraries flags to extconf.rb. These flags provide the same functionality as --use-system-libraries and the NOKOGIRI_USE_SYSTEM_LIBRARIES environment variable, but are more idiomatic. [#2193] (Thanks, @eregon!)
[TruffleRuby] --disable-static is now the default on TruffleRuby when the packaged libraries are used. This is more flexible and compiles faster. (Note, though, that the default on TR is still to use system libraries.) [#2191, #2193] (Thanks, @eregon!)
Note that two additional CVEs were addressed upstream but are not relevant to this release. CVE-2021-3516 via xmllint is not present in Nokogiri, and CVE-2020-7595 has been patched in Nokogiri since v1.10.8 (see #1992).
[CRuby] vendored libxml2 is updated from 2.9.10 to 2.9.12. (Note that 2.9.11 was skipped because it was superseded by 2.9.12 a few hours after its release.)
1.11.3 / 2021-04-07
Fixed
[CRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this likely segfaulted. [#1900]
[JRuby] Passing non-Node objects to Document#root= now raises an ArgumentError exception. Previously this raised a TypeError exception.
[CRuby] arm64/aarch64 systems (like Apple's M1) can now compile libxml2 and libxslt from source (though we continue to strongly advise users to install the native gems for the best possible experience)
1.11.2 / 2021-03-11
Fixed
[CRuby] NodeSet may now safely contain Node objects from multiple documents. Previously the GC lifecycle of the parent Document objects could lead to nodes being GCed while still in scope. [#1952]
[CRuby+Windows] Enable Nokogumbo (and other downstream gems) to compile and link against nokogiri.so by including LDFLAGS in Nokogiri::VERSION_INFO. [#2167]
[CRuby] {XML,HTML}::Document.parse now invokes #initialize exactly once. Previously #initialize was invoked twice on each object.
[JRuby] {XML,HTML}::Document.parse now invokes #initialize exactly once. Previously #initialize was not called, which was a problem for subclassing such as done by Loofah.
Improved
Reduce the number of object allocations needed when parsing an HTML::DocumentFragment. [#2087] (Thanks, @ashmaroli!)
[JRuby] Update the algorithm used to calculate Node#line to be wrong less-often. The underlying parser, Xerces, does not track line numbers, and so we've always used a hacky solution for this method. [#1223, #2177]
Introduce --enable-system-libraries and --disable-system-libraries flags to extconf.rb. These flags provide the same functionality as --use-system-libraries and the NOKOGIRI_USE_SYSTEM_LIBRARIES environment variable, but are more idiomatic. [#2193] (Thanks, @eregon!)
[TruffleRuby] --disable-static is now the default on TruffleRuby when the packaged libraries are used. This is more flexible and compiles faster. (Note, though, that the default on TR is still to use system libraries.) [#2191, #2193] (Thanks, @eregon!)
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Bumps nokogiri from 1.10.5 to 1.11.4. This update includes security fixes.
Vulnerabilities fixed
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Commits
9d69b44version bump to v1.11.4058e87fupdate CHANGELOG with complete CVE information9285251Merge pull request #2234 from sparklemotion/2233-upgrade-to-libxml-2-9-125436f61update CHANGELOG761d320patch: renumber libxml2 patches889ee2atest: update behavior of namespaces in HTML9751d85test: remove low-value HTML::SAX::PushParser encoding test9fcb7d2test: adjust xpath gc test to libxml2's max recursion depth1c99019patch: backport libxslt configure.ac change for libxml2 config82a253fpatch: fix isnan/isinf patch to apply cleanly to libxml 2.9.12Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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