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CRITICAL severity

GHSA-j8q9-5rp9-4mv9 — diesel

CRITICALFix: diesel-rs/diesel#2663

GHSA-j8q9-5rp9-4mv9 is a critical-severity (CVSS 9.8) Use After Free vulnerability in diesel. A fix is available for diesel — see the affected versions and patch details below.

Fix a use-after-free bug in diesels Sqlite backend

Also known asCVE-2021-28305RUSTSEC-2021-0037
Published
May 24, 2022
Updated
Nov 8, 2023
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Sep 26, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs70th percentile — riskier than 70% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-j8q9-5rp9-4mv9 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 379,842 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🦀diesel

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

An issue was discovered in the diesel crate before 1.4.6 for Rust. There is a use-after-free in the SQLite backend because the semantics of sqlite3_column_name are not followed.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🦀crates.iodieselall versions1.4.6cargo update -p diesel --precise 1.4.6

Affected Products

1 product · 1 configurations
Application
dieseldiesel
< 1.4.6
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for diesel, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update diesel to 1.4.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-j8q9-5rp9-4mv9 is resolved across your whole dependency graph.

  3. Workarounds

    Constrain what reaches the vulnerable code: limit the size and shape of untrusted input, isolate the affected component in a sandboxed or least-privileged process, and enable the platform's memory-safety mitigations (ASLR, stack protector, hardened allocator) so an out-of-bounds access is more likely to fail closed than to be exploitable.

Frequently Asked Questions

An issue was discovered in the diesel crate before 1.4.6 for Rust. There is a use-after-free in the SQLite backend because the semantics of sqlite3_column_name are not followed.
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GHSA-j8q9-5rp9-4mv9: diesel (Critical 9.8) | O3 Security