Uninitialized memory use in generator

published 2019-09-06 7 y ago modified 2026-06-17 4 mo ago also GHSA-6c65-xcf5-299x , RUSTSEC-2019-0020 , EUVD-2021-1596

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

An issue was discovered in the generator crate before 0.6.18 for Rust. Uninitialized memory is used by Scope, done, and yield_ during API calls.

Patch / fix

fixed in 2

crates.io generator 0.6.18
generator-rs_project generator-rs 0.6.18

Exploit prediction

1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	7.8	AV:N/AC:L/Au:N/C:N/I:N/A:C
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
OSV	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem	package	affected	fixed in
crates.io	generator	<0.6.18 >=0.0.0-0, <0.6.18	0.6.18

Classification

Weakness

CWE-908 Use of Uninitialized Resource

References

rustsec.org /advisories/RUSTSEC-2019-0020.html
web, third-party-advisory, advisory
github.com /Xudong-Huang/generator-rs/issues/9
web, third-party-advisory, report
nvd.nist.gov /vuln/detail/CVE-2019-16144
advisory
github.com /Xudong-Huang/generator-rs/issues/11
web
github.com /Xudong-Huang/generator-rs/issues/13
web
github.com /Xudong-Huang/generator-rs/issues/14
web
github.com /Xudong-Huang/generator-rs
package
crates.io /crates/generator
package

Sources

Fencer Intel 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