USN-7091-2: Ruby vulnerabilities
21 November 2024
Several security issues were fixed in Ruby.
Releases
Packages
- ruby2.7 - Object-oriented scripting language
Details
USN-7091-1 fixed several vulnerabilities in Ruby. This update provides the
corresponding update for ruby2.7 in Ubuntu 20.04 LTS.
Original advisory details:
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.
Related notices
- USN-7091-1: ruby3.2-doc, ruby3.0, libruby3.2, ruby3.2, ruby3.3-dev, libruby3.3, ruby3.0-doc, ruby3.3, libruby3.0, ruby3.3-doc, ruby3.2-dev, ruby3.0-dev