GHSA-VP6V-WHFM-RV3G Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders

Impact In Synapse versions before 1.120.1, enabling the dynamicthumbnails option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing. This significantly expands...

May 25, 2017—KB4020102 (OS Build 15063.332)

May 25, 2017—KB4020102 OS Build 15063.332 Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addressed issue where NTLM fails to generate a challenge response when CredGuard is enabled, NTLMv...