CVE-2016-3993: Off-by-one error in the __imlib_MergeUpdate function in lib/updates.c in imlib2 before 1.4.9 allows remote...

Security readout for executives and security teams

CVE-2016-3993 is a crash bug in imlib2 before 1.4.9. A remote attacker could trigger an out-of-bounds read and crash an application by supplying crafted coordinates. The public sources describe denial of service, not code execution or data theft. Exposure is most likely where old imlib2 versions are used by applications processing untrusted or remote image-related input. Systems already on imlib2 1.4.9 or vendor-fixed packages are not indicated as affected by the bundle. Treat as a targeted maintenance and resilience issue. Prioritize systems that expose imlib2-backed processing to remote users, especially public services. Business risk is service disruption rather than confirmed compromise based on the supplied sources. Mitigation focus: Upgrade imlib2 to 1.4.9 or a vendor-fixed package.; Apply relevant Debian or openSUSE security updates where applicable.; Inventory applications linked against imlib2 on internet-facing systems..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.