{"cve":"CVE-2021-45703","nvd":{"published":"2021-12-27T00:15:09.777","modified":"2026-06-17T04:13:58.857","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-908"],"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"],"products":["tectonic_xdv_project:tectonic_xdv"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45703","score":0.0123,"percentile":0.68952,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-qwvx-c8j7-5g75","url":"https://osv.dev/vulnerability/GHSA-qwvx-c8j7-5g75","summary":"Use of Uninitialized Resource in tectonic_xdv","modified":"2023-11-08T04:07:22.808476Z","packages":[{"ecosystem":"crates.io","name":"tectonic_xdv","purl":"pkg:cargo/tectonic_xdv","ranges":["<0.1.12"],"fixed":["0.1.12"]}]},{"id":"RUSTSEC-2021-0112","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0112","summary":"`Read` on uninitialized buffer may cause UB ('tectonic_xdv' crate)","modified":"2023-11-08T04:07:22.808476Z","packages":[{"ecosystem":"crates.io","name":"tectonic_xdv","purl":"pkg:cargo/tectonic_xdv","ranges":[">=0.0.0-0 <0.1.12"],"fixed":["0.1.12"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}