1.13.9 / 2022-10-18

1.13.9 / 2022-10-18

Security

• [CRuby] Vendored libxml2 is updated to address CVE-2022-2309, CVE-2022-40304, and CVE-2022-40303. See GHSA-2qc6-mcvw-92cw for more information.
• [CRuby] Vendored zlib is updated to address CVE-2022-37434. Nokogiri was not affected by this vulnerability, but this version of zlib was being flagged up by some vulnerability scanners, see #2626 for more information.

Dependencies

• [CRuby] Vendored libxml2 is updated to v2.10.3 from v2.9.14.
• [CRuby] Vendored libxslt is updated to v1.1.37 from v1.1.35.
• [CRuby] Vendored zlib is updated from 1.2.12 to 1.2.13. (See LICENSE-DEPENDENCIES.md for details on which packages redistribute this library.)

Fixed

• [CRuby] Nokogiri::XML::Namespace objects, when compacted, update their internal struct's reference to the Ruby object wrapper. Previously, with GC compaction enabled, a segmentation fault was possible after compaction was triggered. [#2658] (Thanks, @eightbitraptor and @peterzhu2118!)
• [CRuby] Document#remove_namespaces! now defers freeing the underlying xmlNs struct until the Document is GCed. Previously, maintaining a reference to a Namespace object that was removed in this way could lead to a segfault. [#2658]

---

sha256 checksums:

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1.13.8 / 2022-07-23

1.13.8 / 2022-07-23

Deprecated

• XML::Reader#attribute_nodes is deprecated due to incompatibility between libxml2's xmlReader memory semantics and Ruby's garbage collector. Although this method continues to exist for backwards compatibility, it is unsafe to call and may segfault. This method will be removed in a future version of Nokogiri, and callers should use #attribute_hash instead. [#2598]

Improvements

• XML::Reader#attribute_hash is a new method to safely retrieve the attributes of a node from XML::Reader. [#2598, #2599]

Fixed

• [CRuby] Calling XML::Reader#attributes is now safe to call. In Nokogiri <= 1.13.7 this method may segfault. [#2598, #2599]

---

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1.13.7 / 2022-07-12

1.13.7 / 2022-07-12

Fixed

XML::Node objects, when compacted, update their internal struct's reference to the Ruby object wrapper. Previously, with GC compaction enabled, a segmentation fault was possible after compaction was triggered. [#2578] (Thanks, @eightbitraptor!)

---

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1.13.6 / 2022-05-08

1.13.6 / 2022-05-08

Security

• [CRuby] Address CVE-2022-29181, improper handling of unexpected data types, related to untrusted inputs to the SAX parsers. See GHSA-xh29-r2w5-wx8m for more information.

Improvements

• {HTML4,XML}::SAX::{Parser,ParserContext} constructor methods now raise TypeError instead of segfaulting when an incorrect type is passed.

---

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1.13.5 / 2022-05-04

1.13.5 / 2022-05-04

Security

• [CRuby] Vendored libxml2 is updated to address CVE-2022-29824. See GHSA-cgx6-hpwq-fhv5 for more information.

Dependencies

• [CRuby] Vendored libxml2 is updated from v2.9.13 to v2.9.14.

Improvements

• [CRuby] The libxml2 HTML4 parser no longer exhibits quadratic behavior when recovering some broken markup related to start-of-tag and bare < characters.

Changed

• [CRuby] The libxml2 HTML4 parser in v2.9.14 recovers from some broken markup differently. Notably, the XML CDATA escape sequence <![CDATA[ and incorrectly-opened comments will result in HTML text nodes starting with <! instead of skipping the invalid tag. This behavior is a direct result of the quadratic-behavior fix noted above. The behavior of downstream sanitizers relying on this behavior will also change. Some tests describing the changed behavior are in test/html4/test_comments.rb.

---

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1.13.4 / 2022-04-11

1.13.4 / 2022-04-11

Security

• Address CVE-2022-24836, a regular expression denial-of-service vulnerability. See GHSA-crjr-9rc5-ghw8 for more information.
• [CRuby] Vendored zlib is updated to address CVE-2018-25032. See GHSA-v6gp-9mmm-c6p5 for more information.
• [JRuby] Vendored Xerces-J (xerces:xercesImpl) is updated to address CVE-2022-23437. See GHSA-xxx9-3xcr-gjj3 for more information.
• [JRuby] Vendored nekohtml (org.cyberneko.html) is updated to address CVE-2022-24839. See GHSA-gx8x-g87m-h5q6 for more information.

Dependencies

• [CRuby] Vendored zlib is updated from 1.2.11 to 1.2.12. (See LICENSE-DEPENDENCIES.md for details on which packages redistribute this library.)
• [JRuby] Vendored Xerces-J (xerces:xercesImpl) is updated from 2.12.0 to 2.12.2.
• [JRuby] Vendored nekohtml (org.cyberneko.html) is updated from a fork of 1.9.21 to 1.9.22.noko2. This fork is now publicly developed at https://github.com/sparklemotion/nekohtml

---

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1.13.3 / 2022-02-21

1.13.3 / 2022-02-21

Fixed

• [CRuby] Revert a HTML4 parser bug in libxml 2.9.13 (introduced in Nokogiri v1.13.2). The bug causes libxml2's HTML4 parser to fail to recover when encountering a bare < character in some contexts. This version of Nokogiri restores the earlier behavior, which is to recover from the parse error and treat the < as normal character data (which will be serialized as < in a text node). The bug (and the fix) is only relevant when the RECOVER parse option is set, as it is by default. [#2461]

---

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1.13.2 / 2022-02-21

1.13.2 / 2022-02-21

Security

• [CRuby] Vendored libxml2 is updated from 2.9.12 to 2.9.13. This update addresses CVE-2022-23308.
• [CRuby] Vendored libxslt is updated from 1.1.34 to 1.1.35. This update addresses CVE-2021-30560.

Please see GHSA-fq42-c5rg-92c2 for more information about these CVEs.

Dependencies

• [CRuby] Vendored libxml2 is updated from 2.9.12 to 2.9.13. Full changelog is available at https://download.gnome.org/sources/libxml2/2.9/libxml2-2.9.13.news
• [CRuby] Vendored libxslt is updated from 1.1.34 to 1.1.35. Full changelog is available at https://download.gnome.org/sources/libxslt/1.1/libxslt-1.1.35.news

---

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1.13.1 / 2022-01-13

1.13.1 / 2022-01-13

Fixed

• Fix Nokogiri::XSLT.quote_params regression in v1.13.0 that raised an exception when non-string stylesheet parameters were passed. Non-string parameters (e.g., integers and symbols) are now explicitly supported and both keys and values will be stringified with #to_s. [#2418]
• Fix HTML5 CSS selector query regression in v1.13.0 that raised an Nokogiri::XML::XPath::SyntaxError when parsing XPath attributes mixed into the CSS query. Although this mash-up of XPath and CSS syntax previously worked unintentionally, it is now an officially supported feature and is documented as such. [#2419]

---

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1.13.0 / 2022-01-06

1.13.0 / 2022-01-06

Notes

Ruby

This release introduces native gem support for Ruby 3.1. Please note that Windows users should use the x64-mingw-ucrt platform gem for Ruby 3.1, and x64-mingw32 for Ruby 2.6–3.0 (see RubyInstaller 3.1.0 release notes).

This release ends support for:

• Ruby 2.5, for which official support ended 2021-03-31.
• JRuby 9.2, which is a Ruby 2.5-compatible release.

Faster, more reliable installation: Native Gem for ARM64 Linux

This version of Nokogiri ships experimental native gem support for the aarch64-linux platform, which should support AWS Graviton and other ARM Linux platforms. We don't yet have CI running for this platform, and so we're interested in hearing back from y'all whether this is working, and what problems you're seeing. Please send us feedback here: Feedback: Have you used the aarch64-linux native gem?

Publishing

This version of Nokogiri opts-in to the "MFA required to publish" setting on Rubygems.org. This and all future Nokogiri gem files must be published to Rubygems by an account with multi-factor authentication enabled. This should provide some additional protection against supply-chain attacks.

A related discussion about Trust exists at #2357 in which I invite you to participate if you have feelings or opinions on this topic.

Dependencies

• [CRuby] Vendored libiconv is updated from 1.15 to 1.16. (Note that libiconv is only redistributed in the native windows and native darwin gems, see LICENSE-DEPENDENCIES.md for more information.) [#2206]
• [CRuby] Upgrade mini_portile2 dependency from ~> 2.6.1 to ~> 2.7.0. ("ruby" platform gem only.)

Improved

• {XML,HTML4}::DocumentFragment constructors all now take an optional parse options parameter or block (similar to Document constructors). [#1692] (Thanks, @JackMc!)
• Nokogiri::CSS.xpath_for allows an XPathVisitor to be injected, for finer-grained control over how CSS queries are translated into XPath.
• [CRuby] XML::Reader#encoding will return the encoding detected by the parser when it's not passed to the constructor. [#980]
• [CRuby] Handle abruptly-closed HTML comments as recommended by WHATWG. (Thanks to tehryanx for reporting!)
• [CRuby] Node#line is no longer capped at 65535. libxml v2.9.0 and later support a new parse option, exposed as Nokogiri::XML::ParseOptions::PARSE_BIG_LINES, which is turned on by default in ParseOptions::DEFAULT_{XML,XSLT,HTML,SCHEMA} (Note that JRuby already supported large line numbers.) [#1764, #1493, #1617, #1505, #1003, #533]
• [CRuby] If a cycle is introduced when reparenting a node (i.e., the node becomes its own ancestor), a RuntimeError is raised. libxml2 does no checking for this, which means cycles would otherwise result in infinite loops on subsequent operations. (Note that JRuby already did this.) [#1912]
• [CRuby] Source builds will download zlib and libiconv via HTTPS. ("ruby" platform gem only.) [#2391] (Thanks, @jmartin-r7!)
• [JRuby] Node#line behavior has been modified to return the line number of the node in the final DOM structure. This behavior is different from CRuby, which returns the node's position in the input string. Ideally the two implementations would be the same, but at least is now officially documented and tested. The real-world impact of this change is that the value returned in JRuby is greater by 1 to account for the XML prolog in the output. [#2380] (Thanks, @dabdine!)

Fixed

• CSS queries on HTML5 documents now correctly match foreign elements (SVG, MathML) when namespaces are not specified in the query. [#2376]
• XML::Builder blocks restore context properly when exceptions are raised. [#2372] (Thanks, @ric2b and @rinthedev!)
• The Nokogiri::CSS::Parser cache now uses the XPathVisitor configuration as part of the cache key, preventing incorrect cache results from being returned when multiple XPathVisitor options are being used.
• Error recovery from in-context parsing (e.g., Node#parse) now always uses the correct DocumentFragment class. Previously Nokogiri::HTML4::DocumentFragment was always used, even for XML documents. [#1158]
• DocumentFragment#> now works properly, matching a CSS selector against only the fragment roots. [#1857]
• XML::DocumentFragment#errors now correctly contains any parsing errors encountered. Previously this was always empty. (Note that HTML::DocumentFragment#errors already did this.)
• [CRuby] Fix memory leak in Document#canonicalize when inclusive namespaces are passed in. [#2345]
• [CRuby] Fix memory leak in Document#canonicalize when an argument type error is raised. [#2345]
• [CRuby] Fix memory leak in EncodingHandler where iconv handlers were not being cleaned up. [#2345]
• [CRuby] Fix memory leak in XPath custom handlers where string arguments were not being cleaned up. [#2345]
• [CRuby] Fix memory leak in Reader#base_uri where the string returned by libxml2 was not freed. [#2347]
• [JRuby] Deleting a Namespace from a NodeSet no longer modifies the href to be the default namespace URL.
• [JRuby] Fix XHTML formatting of closing tags for non-container elements. [#2355]

Deprecated

• Passing a Nokogiri::XML::Node as the second parameter to Node.new is deprecated and will generate a warning. This parameter should be a kind of Nokogiri::XML::Document. This will become an error in a future version of Nokogiri. [#975]
• Nokogiri::CSS::Parser, Nokogiri::CSS::Tokenizer, and Nokogiri::CSS::Node are now internal-only APIs that are no longer documented, and should not be considered stable. With the introduction of XPathVisitor injection into Nokogiri::CSS.xpath_for there should be no reason to rely on these internal APIs.
• CSS-to-XPath utility classes Nokogiri::CSS::XPathVisitorAlwaysUseBuiltins and XPathVisitorOptimallyUseBuiltins are deprecated. Prefer Nokogiri::CSS::XPathVisitor with appropriate constructor arguments. These classes will be removed in a future version of Nokogiri.

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