{"cve":"CVE-2021-28030","nvd":{"published":"2021-03-05T09:15:13.973","modified":"2026-06-17T03:45:44.820","status":"Modified","description":"An issue was discovered in the truetype crate before 0.30.1 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation within Tape::take_bytes.","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:N/A:N","score":7.5},"cwes":["CWE-908"],"references":["https://rustsec.org/advisories/RUSTSEC-2021-0029.html","https://rustsec.org/advisories/RUSTSEC-2021-0029.html"],"products":["truetype_project:truetype"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-28030","score":0.01175,"percentile":0.6757,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v7q4-97x4-4qw2","url":"https://osv.dev/vulnerability/GHSA-v7q4-97x4-4qw2","summary":" Use of Uninitialized Resource in truetype","modified":"2023-11-08T04:05:27.666883Z","packages":[{"ecosystem":"crates.io","name":"truetype","purl":"pkg:cargo/truetype","ranges":["<0.30.1"],"fixed":["0.30.1"]}]},{"id":"RUSTSEC-2021-0029","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0029","summary":"Tape::take_bytes exposes uninitialized memory to a user-provided Read","modified":"2023-11-08T04:05:27.666883Z","packages":[{"ecosystem":"crates.io","name":"truetype","purl":"pkg:cargo/truetype","ranges":[">=0.0.0-0 <0.30.1"],"fixed":["0.30.1"]}]}],"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."]}