CVE-2026-3463

creationtimestamp| type| source ---|---|--- 2026-03-03 16:39:49+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mg67h2dzjk24...

CVE-2026-3463

CVE-2026-3463 affects xlnt-community xlnt up to 1.6.1. The vulnerability lies in xlnt::detail::binary_writer::append within source/detail/binary.hpp of the Compound Document Parser, causing a heap-based buffer overflow. Exploitation is local, and public PoCs/ exploits exist per the provided sourc...