CVE-2021-45703: Tectonic Xdv Project Tectonic Xdv

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in the tectonic_xdv crate before 0.1.12 for Rust. XdvParser::<T>::process may read from uninitialized memory locations.

Affected products

• Tectonic Xdv Project Tectonic Xdv: before 0.1.12 (fixed in 0.1.12)

Published 2021-12-27. Last modified 2026-06-17.