What is CVE-2021-46322?

CVE-2021-46322 is a medium-severity vulnerability in Duktape Project, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2022-01-20.

How severe is CVE-2021-46322?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-46322 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Duktape Project

CVE-2021-46322

Duktape v2.99.99 was discovered to contain a SEGV vulnerability via the component duk_push_tval in duktape/duk_api_stack.c.

Published 2022-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.8th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Duktape Project — versions 2.99.99

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

Public proof-of-concept exploits

References

github.com/svaarala/duktape/issues/2448 (Exploit, Patch, Third Party Advisory, Issue Tracking)
lists.debian.org/debian-lts-announce/2023/03/msg00033.html (mailing-list)

Frequently asked questions

What is CVE-2021-46322?: CVE-2021-46322 is a medium-severity vulnerability in Duktape Project, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2022-01-20.
How severe is CVE-2021-46322?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-46322 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.