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CVE Record

CVE-2021-45719: 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.

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. update_hook has a use-after-free.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE affects the Rust rusqlite library, which applications use to interact with SQLite. A memory safety bug in update_hook could cause unsafe behavior in affected dependency versions. The public sources do not name affected applications or provide severity scoring.

Executive priority

Treat this as a dependency hygiene issue unless local use of update_hook increases risk. Inventory affected Rust services and upgrade during normal maintenance or faster for internet-facing or security-sensitive systems.

Technical view

rusqlite's update_hook API had a use-after-free in 0.25.x before 0.25.4 and 0.26.x before 0.26.2. The available records do not provide CVSS, CWE, exploitability details, or trigger conditions beyond the affected API and versions.

Likely exposure

Exposure is limited to Rust applications or services that depend on affected rusqlite versions and use update_hook. The CVE record lists no named downstream products, vendors, CPEs, or deployment environments.

Exploitation context

No active exploitation is supported by the supplied sources. The CVE is not listed as KEV, and the provided records do not describe public exploits, exploitation in the wild, or proof-of-concept details.

Researcher notes

The strongest evidence is version-specific RustSec and CVE metadata. Missing details include severity score, CWE mapping, practical trigger conditions, and downstream impact. Avoid extrapolating beyond rusqlite update_hook use-after-free in the listed versions.

Mitigation direction

  • Upgrade rusqlite 0.25.x to 0.25.4 or later within that branch.
  • Upgrade rusqlite 0.26.x to 0.26.2 or later within that branch.
  • Check RustSec and vendor guidance before applying broader dependency changes.
  • Prioritize services where rusqlite update_hook is used in exposed or high-trust workflows.

Validation and detection

  • Review Cargo.lock for rusqlite versions 0.25.x below 0.25.4 or 0.26.x below 0.26.2.
  • Search application code for update_hook usage.
  • Confirm patched dependency resolution in build artifacts after upgrade.
  • Run existing unit and integration tests covering SQLite update-hook behavior.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2021-45719 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.