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CVE-2021-45719

25
FAUCET Score

CVE-2021-45719 describes a use-after-free vulnerability in the rusqlite Rust crate, specifically affecting versions 0.25.x prior to 0.25.4 and 0.26.x prior to 0.26.2. This high-severity flaw (CVSS 7.5) can be exploited remotely with low complexity, leading to a denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.25.0, < 0.25.4CPE matchmatch criteria
cpe:2.3:a:rusqlite_project:rusqlite:*:*:*:*:*:rust:*:*
>= 0.26.0, < 0.26.2CPE matchmatch criteria
cpe:2.3:a:rusqlite_project:rusqlite:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 43rd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

rustpatch availablevia ghsa
Product: rusqliteFixed in: 0.25.4
rustpatch availablevia ghsa
Product: rusqliteFixed in: 0.26.2

Vendor Advisories (1)

rustGHSA-g87r-23vw-7f87high

Use After Free in rusqlite

Jan 6, 2022

References

raw.githubusercontent.com / rustsec/advisory-db/main/crates/rusqlite/RUSTSEC-2021-0128.md
ExploitThird Party Advisory
rustsec.org / advisories/RUSTSEC-2021-0128.html
ExploitIssue TrackingThird Party Advisory