What is CVE-2021-45716?

CVE-2021-45716 is a high-severity vulnerability in Rusqlite Project, classified under Use After Free. CVSS score: 7.5/10. Published 2021-12-26.

How severe is CVE-2021-45716?

High severity. CVSS v3 base score is 7.5 out of 10.

Use After Free in Rusqlite Project

CVE-2021-45716

An issue was discovered in the rusqlite crate 0.25.x before 0.25.4 and 0.26.x before 0.26.2 for Rust. create_collation has a use-after-free.

Vulnerability class: Use-After-Free

Published 2021-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Rusqlite Project

Weakness classification (CWE)

CWE-416 — Use After Free

References

rustsec.org/advisories/RUSTSEC-2021-0128.html (Exploit, Third Party Advisory, Issue Tracking)
raw.githubusercontent.com/rustsec/advisory-db/main/crates/rusqlite/RUSTSEC-2021… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-45716?: CVE-2021-45716 is a high-severity vulnerability in Rusqlite Project, classified under Use After Free. CVSS score: 7.5/10. Published 2021-12-26.
How severe is CVE-2021-45716?: High severity. CVSS v3 base score is 7.5 out of 10.