How severe is CVE-2021-45718?

CVE-2021-45718 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-45718 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45718?

CVE-2021-45718 affects Rusqlite Project Rusqlite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45718?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-45718 published?

CVE-2021-45718 was published on 2021-12-26 and last updated on 2026-06-17.

CVE-2021-45718

CVE-2021-45718 is a high-severity vulnerability in Rusqlite Project Rusqlite with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Rusqlite Project Rusqlite
Published: 2021-12-26
Last modified: 2026-06-17

Description

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. rollback_hook has a use-after-free.

Frequently asked questions

What is CVE-2021-45718?: 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. rollback_hook has a use-after-free.
How severe is CVE-2021-45718?: CVE-2021-45718 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-45718 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45718?: CVE-2021-45718 affects Rusqlite Project Rusqlite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45718?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-45718 published?: CVE-2021-45718 was published on 2021-12-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rusqlite_project:rusqlite:*:*:*:*:*:rust:*:*

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