EUVD-2026-18885
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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3Description
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly available patches.
Analysis
Heap-based buffer overflow in OpenPrinting CUPS scheduler versions 2.4.16 and prior allows unauthenticated remote attackers to trigger a denial of service condition by crafting malicious job attributes that overflow buffers during filter option string construction. With a CVSS score of 5.3 and network accessibility, this vulnerability impacts availability on exposed CUPS instances; no public exploit code or vendor patch has been released as of publication.
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