Uncaught Exception in libcupsfilters - CVE-2026-64612
Published: July 24, 2026
Vulnerability identifier: #VU139341
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64612
CWE-ID: CWE-248
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an uncaught exception in the _cfImageReadPNG function when processing a malformed PNG in a print job. A remote attacker can submit a specially crafted print job containing a malformed PNG to cause a denial of service.
The issue causes the imagetoraster or imagetopdf CUPS filter process to terminate with SIGABRT, killing the in-flight print job.
Affected software
libcupsfilters
How to mitigate CVE-2026-64612
Install security update from vendor's website.
libcupsfilters - update to 2.1.2