What’s Vulnerable › Vulnerabilities

CVE-2021-45703

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-27 · updated 2026-06-17
• Weakness: CWE-908

Description

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

How to fix

Upgrade to a fixed version: Tectonic Xdv Project Tectonic Xdv 0.1.12. Check the vendor advisory for mitigations.

References

• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tectonic_xdv/RUSTSEC-2021-0112.md
• https://rustsec.org/advisories/RUSTSEC-2021-0112.html
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tectonic_xdv/RUSTSEC-2021-0112.md
• https://rustsec.org/advisories/RUSTSEC-2021-0112.html

Get alerted when CVE-2021-45703 or the next vulnerability affects your stack