When parsing and serializing a crafted XML document, the REXML gem (including the one bundled with Ruby) can create a wrong XML document whose structure is different from the original one. The impact of this issue highly depends on context, but it may lead to a vulnerability in some programs that are using REXML. The issue is fixed in version 3.2.5 of the REXML gem.
When parsing and serializing a crafted XML document, the REXML gem (including the one bundled with Ruby) can create a wrong XML document whose structure is different from the original one. The impact of this issue highly depends on context, but it may lead to a vulnerability in some programs that are using REXML. The issue is fixed in version 3.2.5 of the REXML gem.
https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/ https://hackerone.com/reports/1104077 https://github.com/ruby/rexml/commit/a659c63e37414506dfb0d4655e031bb7a2e73fc8 https://github.com/ruby/rexml/commit/2fe62e29094d95921d7e19abbd2e26b23d78dc5b https://github.com/ruby/rexml/commit/6a250d2cd1194c2be72becbdd9c3e770aa16e752 https://github.com/ruby/rexml/commit/f7bab8937513b1403cea5aff874cbf32fd5e8551 https://github.com/ruby/rexml/commit/f9d88e4948b4a43294c25dc0edb16815bd9d8618 https://github.com/ruby/rexml/commit/9b311e59ae05749e082eb6bbefa1cb620d1a786e https://github.com/ruby/rexml/commit/3c137eb119550874b2b3e27d12b733ca67033377
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