CVE-2014-9862: Integer signedness error in bspatch.c in bspatch in bsdiff, as used in Apple OS X before 10.11.6 and other...

Security readout for executives and security teams

This flaw is in bspatch, a tool used to apply binary patches. A malicious patch file could trigger memory corruption, potentially causing a crash or arbitrary code execution when processed by vulnerable software. Business risk depends on whether systems or update workflows process untrusted patch files. Exposure is most likely where vulnerable bsdiff/bspatch code is installed or embedded and processes patch files from external or less-trusted sources. The bundle confirms Apple OS X before 10.11.6 and indicates broader downstream vendor handling, but exact affected inventories require local package and product verification. Prioritize remediation where patch files enter automated update, build, packaging, or device-management workflows. Legacy unmanaged systems and embedded third-party copies are the main concern. No active exploitation is shown in the provided sources, but arbitrary code execution potential makes unresolved exposure worth tracking. Mitigation focus: Apply vendor updates for affected operating systems and bsdiff/bspatch packages.; Upgrade Apple OS X systems older than 10.11.6 where still present.; Check FreeBSD, Debian, openSUSE, Gentoo, Ubuntu, Android, and ChromiumOS guidance where relevant..

Prepared

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

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