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

published 2021-03-05 5 y ago modified 2026-06-17 4 mo ago also GHSA-j8q9-5rp9-4mv9 , RUSTSEC-2021-0037 , EUVD-2022-4315

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

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.

Patch / fix

fixed in 2 distros 2 links 1

crates.io diesel 1.4.6
diesel diesel 1.4.6

debian arch linux

rust-diesel Debian 14, Debian 13 2.0.3-1

debian advisories DEBIAN-CVE-2021-28305

diesel-cli Arch Linux 1.4.6-1

arch linux advisories AVG-1681

github.com/diesel-rs/diesel#2663 pull request

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
OSV	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
crates.io	diesel	<1.4.6 >=0.0.0-0, <1.4.6	1.4.6

Classification

Weakness

CWE-416 Use After Free

References

github.com /diesel-rs/diesel/pull/2663
web
rustsec.org /advisories/RUSTSEC-2021-0037.html
web, third-party-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2021-28305
advisory
github.com /diesel-rs/diesel
package
crates.io /crates/diesel
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary