CVE-2026-34979 is a heap overflow vulnerability in the `get_options()` function of OpenPrinting CUPS, though the specific attack vector is not detailed in the provided article. It has a CVSS 3.1 score of 5.3 (MEDIUM) and affects openprinting cups versions up to and including 2.4.16.
We use optional cookies to improve your experience on our websites, such as through social media connections, and to display personalized advertising based on your online activity. If you reject optional cookies, only cookies necessary to provide you the services will be used. You may change your selection by clicking “Manage Cookies” at the bottom of the page. Privacy Statement Third-Party Cookies Accept Reject Manage cookies MSRC  Customer Guidance  Security Update Guide  Vulnerabilities  CVE-2026-34979 Your Privacy Choices Consumer Health Privacy