chore(deps): bump @xmldom/xmldom from 0.8.14 to 0.8.15

[dependabot]

Bumps @xmldom/xmldom from 0.8.14 to 0.8.15.

Release notes

Sourced from @​xmldom/xmldom's releases.

0.8.15

Commits

Fixed

• Security: parsing a deeply or repeatedly namespaced document no longer consumes quadratic memory; the in-scope namespace map is inherited through the prototype chain instead of being copied for every prefix-declaring element (O(N) instead of O(N²)), preventing a denial-of-service reachable from DOMParser.parseFromString with default options. Serialized output is byte-identical. GHSA-965w-775f-mr7g
• Security: attribute de-duplication during parsing is now O(M) instead of O(M²); the NamedNodeMap parse-time dedup path uses a null-prototype membership index, so a well-formed document with a hostile number of duplicate attributes can no longer wedge the parse. Attribute order and duplicate resolution (last value wins, first position kept) are byte-identical, preserving the XML no-duplicate-attributes well-formedness constraint. GHSA-8344-3jmq-59r6
• Security: trimming trailing whitespace from an XML end tag (ETag) is now anchored so it runs in linear time instead of backtracking quadratically on a long whitespace run, preventing a ReDoS reachable from DOMParser.parseFromString. Trimmed output is byte-identical. GHSA-x4fp-j954-r2f4
• Security: malformed-input recovery is now linear instead of quadratic — the malformed tag-name scan terminates at an embedded <, and Node.prototype.normalize() merges adjacent text nodes in O(K) instead of O(K²) (also reachable programmatically), per normalize() in the WHATWG DOM spec. DOM output is unchanged; only the reported error text differs. GHSA-93r5-fhx6-vmg9
• Security: XMLSerializer.serializeToString() under { requireWellFormed: true } now rejects a DocType name that is not a valid XML Name, throwing InvalidStateError — matching the sibling publicId/systemId/internalSubset checks and preventing XML injection via DocumentType.name. GHSA-27p8-2357-5qqv
• Security: XMLSerializer.serializeToString() under { requireWellFormed: true } now validates a processing-instruction target as an XML NCName and rejects a case-insensitive xml, throwing InvalidStateError — a check 0.8.x did not previously perform, preventing PI-target injection via >, ?, or whitespace. GHSA-c7q8-3ch8-vqpv
• Security: Document.createEntityReference() now rejects an invalid XML Name at creation, and XMLSerializer.serializeToString() under { requireWellFormed: true } validates an EntityReference nodeName as an XML Name, throwing InvalidStateError — preventing XML injection via an entity-reference name. GHSA-6gmq-8vp8-gcm6
• Security: the parser now reports a not-well-formed end tag whose valid name is followed by trailing content as a recoverable error instead of accepting it silently, per the XML ETag production; parsing recovers to the byte-identical DOM. Consumers that want strict rejection can escalate the reported error to fatal via the parser's errorHandler. GHSA-6h8r-xr42-gp59

Thank you, @​ericchiang, @​bhaswanthc, @​arpitjain099, @​Paranoidgrinch, for your contributions

Changelog

Sourced from @​xmldom/xmldom's changelog.

0.8.15

Fixed

• Security: parsing a deeply or repeatedly namespaced document no longer consumes quadratic memory; the in-scope namespace map is inherited through the prototype chain instead of being copied for every prefix-declaring element (O(N) instead of O(N²)), preventing a denial-of-service reachable from DOMParser.parseFromString with default options. Serialized output is byte-identical. GHSA-965w-775f-mr7g
• Security: attribute de-duplication during parsing is now O(M) instead of O(M²); the NamedNodeMap parse-time dedup path uses a null-prototype membership index, so a well-formed document with a hostile number of duplicate attributes can no longer wedge the parse. Attribute order and duplicate resolution (last value wins, first position kept) are byte-identical, preserving the XML no-duplicate-attributes well-formedness constraint. GHSA-8344-3jmq-59r6
• Security: trimming trailing whitespace from an XML end tag (ETag) is now anchored so it runs in linear time instead of backtracking quadratically on a long whitespace run, preventing a ReDoS reachable from DOMParser.parseFromString. Trimmed output is byte-identical. GHSA-x4fp-j954-r2f4
• Security: malformed-input recovery is now linear instead of quadratic — the malformed tag-name scan terminates at an embedded <, and Node.prototype.normalize() merges adjacent text nodes in O(K) instead of O(K²) (also reachable programmatically), per normalize() in the WHATWG DOM spec. DOM output is unchanged; only the reported error text differs. GHSA-93r5-fhx6-vmg9
• Security: XMLSerializer.serializeToString() under { requireWellFormed: true } now rejects a DocType name that is not a valid XML Name, throwing InvalidStateError — matching the sibling publicId/systemId/internalSubset checks and preventing XML injection via DocumentType.name. GHSA-27p8-2357-5qqv
• Security: XMLSerializer.serializeToString() under { requireWellFormed: true } now validates a processing-instruction target as an XML NCName and rejects a case-insensitive xml, throwing InvalidStateError — a check 0.8.x did not previously perform, preventing PI-target injection via >, ?, or whitespace. GHSA-c7q8-3ch8-vqpv
• Security: Document.createEntityReference() now rejects an invalid XML Name at creation, and XMLSerializer.serializeToString() under { requireWellFormed: true } validates an EntityReference nodeName as an XML Name, throwing InvalidStateError — preventing XML injection via an entity-reference name. GHSA-6gmq-8vp8-gcm6
• Security: the parser now reports a not-well-formed end tag whose valid name is followed by trailing content as a recoverable error instead of accepting it silently, per the XML ETag production; parsing recovers to the byte-identical DOM. Consumers that want strict rejection can escalate the reported error to fatal via the parser's errorHandler. GHSA-6h8r-xr42-gp59

Thank you, @​ericchiang, @​bhaswanthc, @​arpitjain099, @​Paranoidgrinch, for your contributions

0.9.11

Fixed

• Security: XMLSerializer.serializeToString() now also rejects invalid element and attribute names when { requireWellFormed: true } is passed, throwing InvalidStateError for a name that is not a valid XML QName (this covers the namespace prefix, which surfaces in the element qualified name or in a synthesized xmlns: declaration). This prevents XML injection via createElement() / setAttribute(), extending the existing requireWellFormed checks to the serialized name set. GHSA-w2rr-34g9-rvrj GHSA-4w3w-2rp5-g8jm
• Security: the processing-instruction grammar regex no longer backtracks quadratically on an unterminated processing instruction (<?… with no closing ?>), preventing a denial-of-service (ReDoS) reachable from DOMParser.parseFromString with default options. GHSA-g53g-w8rj-fmg7
• CharacterData nodeValue and data are now kept in sync [#990](https://github.com/xmldom/xmldom/issues/990)

Chore

• updated dependencies

Thank you, @​bhaswanthc, @​jmestwa-coder, @​stevenobiajulu, for your contributions

Commits

• b5b8fb5 0.8.15
• 327508e docs: add 0.8.15 CHANGELOG entry
• f40ccb8 fix: prevent quadratic malformed-tag recovery and normalize() adjacent-text m...
• 3abb093 fix: prevent end-tag whitespace-trim ReDoS via anchored trim (GHSA-x4fp-j954-...
• 2c548f2 fix: prevent quadratic attribute de-duplication via null-prototype membership...
• 08a74b4 test: characterize NamedNodeMap attribute de-duplication before the index ref...
• 954370f fix: prevent quadratic namespace-map memory consumption via prototype-chain i...
• 4430189 fix: report not-well-formed end-tag trailing content (GHSA-6h8r-xr42-gp59)
• 6c3fb5f fix: prevent XML injection via unsafe EntityReference name (GHSA-6gmq-8vp8-gcm6)
• 3b69487 fix: prevent XML injection via unsafe processing instruction target serializa...
• Additional commits viewable in compare view

Maintainer changes

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[github-actions]

Bundle size report

Tree-shaken production Metro bundles. Component costs are relative to their platform shell; shell costs are absolute.

Platform	Scenario	Baseline cost	Current cost	Cost delta	Change	Gzip delta	Module delta
macos	shell	801.3 KiB	801.3 KiB	0.0 KiB	0.00%	0.0 KiB	+0
macos	components-button	50.1 KiB	50.2 KiB	+0.2 KiB	+0.34%	+0.0 KiB	+2
macos	components-catalog	267.3 KiB	273.7 KiB	+6.4 KiB	+2.38%	+2.3 KiB	+9
macos	design-theme-state	33.3 KiB	33.4 KiB	+0.1 KiB	+0.40%	+0.1 KiB	+2
macos	design-color-lib	7.1 KiB	7.1 KiB	0.0 KiB	0.00%	0.0 KiB	+0
macos	design-theme-state-legacy-source	35.3 KiB	35.5 KiB	+0.1 KiB	+0.38%	+0.0 KiB	+2
macos	design-legacy-theme-from-flex	100.2 KiB	100.4 KiB	+0.1 KiB	+0.13%	+0.1 KiB	+2
windows	shell	810.2 KiB	810.2 KiB	0.0 KiB	0.00%	0.0 KiB	+0
windows	components-button	50.0 KiB	50.2 KiB	+0.2 KiB	+0.34%	+0.0 KiB	+2
windows	components-catalog	267.0 KiB	273.4 KiB	+6.4 KiB	+2.38%	+2.3 KiB	+9
windows	design-theme-state	33.2 KiB	33.3 KiB	+0.1 KiB	+0.41%	+0.1 KiB	+2
windows	design-color-lib	7.1 KiB	7.1 KiB	0.0 KiB	0.00%	0.0 KiB	+0
windows	design-theme-state-legacy-source	35.3 KiB	35.4 KiB	+0.1 KiB	+0.38%	+0.0 KiB	+2
windows	design-legacy-theme-from-flex	100.0 KiB	100.1 KiB	+0.1 KiB	+0.13%	+0.1 KiB	+2

The job is advisory: size changes are reported but do not fail the pull request. Bundle or analysis errors still fail.

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View bundle-size workflow run

[Jason Morse (JasonVMo)]

Fixed by PR #4315

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