In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parsers resolve external entities (XXE) by default. This fix turns off entity-resolution-by-default in the JRuby SAX parsers to match the CRuby SAX parsers' behavior.
CRuby users are not affected by this CVE.
Fixed
[CRuby] Document#to_xhtml properly serializes self-closing tags in libxml > 2.9.10. A behavior change introduced in libxml 2.9.11 resulted in emitting start and and tags (e.g., <br></br>) instead of a self-closing tag (e.g., <br/>) in previous Nokogiri versions. [#2324]
Namespace behavior when reparenting nodes has historically been poorly specified and the behavior diverged between CRuby and JRuby. As a result, making this behavior consistent in v1.12.0 introduced a breaking change.
This patch release reverts the Builder behavior present in v1.12.0..v1.12.3 but keeps the Document behavior. This release also introduces a Document attribute to allow affected users to easily change this behavior for their legacy code without invasive changes.
Compensating Feature in XML::Document
This release of Nokogiri introduces a new Document boolean attribute, namespace_inheritance, which controls whether children should inherit a namespace when they are reparented. Nokogiri::XML:Document defaults this attribute to false meaning "do not inherit," thereby making explicit the behavior change introduced in v1.12.0.
CRuby users who desire the pre-v1.12.0 behavior may set document.namespace_inheritance = true before reparenting nodes.
In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parsers resolve external entities (XXE) by default. This fix turns off entity-resolution-by-default in the JRuby SAX parsers to match the CRuby SAX parsers' behavior.
CRuby users are not affected by this CVE.
Fixed
[CRuby] Document#to_xhtml properly serializes self-closing tags in libxml > 2.9.10. A behavior change introduced in libxml 2.9.11 resulted in emitting start and and tags (e.g., <br></br>) instead of a self-closing tag (e.g., <br/>) in previous Nokogiri versions. [#2324]
1.12.4 / 2021-08-29
Notable fix: Namespace inheritance
Namespace behavior when reparenting nodes has historically been poorly specified and the behavior diverged between CRuby and JRuby. As a result, making this behavior consistent in v1.12.0 introduced a breaking change.
This patch release reverts the Builder behavior present in v1.12.0..v1.12.3 but keeps the Document behavior. This release also introduces a Document attribute to allow affected users to easily change this behavior for their legacy code without invasive changes.
Compensating Feature in XML::Document
This release of Nokogiri introduces a new Document boolean attribute, namespace_inheritance, which controls whether children should inherit a namespace when they are reparented. Nokogiri::XML:Document defaults this attribute to false meaning "do not inherit," thereby making explicit the behavior change introduced in v1.12.0.
CRuby users who desire the pre-v1.12.0 behavior may set document.namespace_inheritance = true before reparenting nodes.
However, recognizing that we want Builder-created children to inherit namespaces, Builder now will set namespace_inheritance=true on the underlying document for both JRuby and CRuby. This means that, on CRuby, the pre-v1.12.0 behavior is restored.
Users who want to turn this behavior off may pass a keyword argument to the Builder constructor like so:
Note that any downstream gems may want to specifically omit Nokogiri v1.12.0--v1.12.3 from their dependency specification if they rely on child namespace inheritance:
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Bumps nokogiri from 1.10.8 to 1.12.5.
Release notes
Sourced from nokogiri's releases.
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Changelog
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Commits
47f6a46
version bump to v1.12.52a0ac88
update CHANGELOG6b60637
Merge pull request #2329 from sparklemotion/flavorjones-GHSA-2rr5-8q37-2w7h_1...4bd943c
fix(jruby): SAX parser uses an entity resolverf943ee4
refactor(jruby): handle errors more consistently2790122
format: test files01e1618
Merge pull request #2327 from sparklemotion/2324-xhtml-self-closing-tags_v1.12.xa0180c7
fix: HTML4::Document.to_xhtml self-closing tags564ac17
release v1.12.44d5754b
backport #2320Dependabot 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
@dependabot rebase
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