CVE-2026-107886 - OpenPrinting CUPS Printer Class Management Double-Free Vulnerability

CVE-2026-107886 - OpenPrinting CUPS Printer Class Management Double-Free Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Fri, 10/09/2026 - 07:51
CVE ID :CVE-2026-107886
Published : Oct. 9, 2026, 4:18 a.m. | 1 hour, 28 minutes ago
Description :OpenPrinting CUPS before 2.4.20 contains a double-free in printer-class management. When CUPS-Add-Modify-Class replaces an existing class member list, add_class() frees pclass->printers without clearing the pointer. If subsequent validation fails, the class retains the dangling pointer; CUPS-Delete-Class subsequently frees the same allocation in cupsdDeletePrinter(). A client authorized to modify and delete classes can cause scheduler-wide denial of service. The default policy requires @SYSTEM privileges.
Severity: 2.3 | LOW
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