SB2022120932 - Fedora 37 update for rubygem-nokogiri
Published: December 9, 2022
Security Bulletin ID
SB2022120932
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-23476)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the Nokogiri::XML::Reader#attribute_hash method when parsing input returned from "xmlTextReaderExpand". A remote attacker can pass specially crafted XML input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.