CVE-2024-35176 — REXML contains a denial of service vulnerability

Affected: ruby rexml, ruby-lang rexml

REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many `<`s in an attribute value. Those who need to parse untrusted XMLs may be impacted to this vulnerability. The REXML gem 3.2.7 or later include the patch to fix this vulnerability. As a workaround, don't parse untrusted XMLs.

USN-7091-1 — ruby3.0, ruby3.2, ruby3.3 vulnerabilities

Affected: Ubuntu:22.04:LTS: ruby3.0, Ubuntu:24.04:LTS: ruby3.2

It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. This issue only affected in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-35176, CVE-2024-39908, CVE-2024-41123)

It was discovered that Ruby incorrectly handled parsing of an XML document that has many entity expansions with SAX2 or pull parser API. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. (CVE-2024-41946)

It was discovered that Ruby incorrectly handled parsing of an XML document that has many digits in a hex numeric character reference. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. (CVE-2024-49761)

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CVE-2024-35176 — REXML contains a denial of service vulnerability

USN-7091-1 — ruby3.0, ruby3.2, ruby3.3 vulnerabilities