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 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-33010

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Patch / fix

distros 1 links 1

duktape Debian 14, Debian 13, Debian 12 2.7.0-1

debian advisories DEBIAN-CVE-2021-46322

github.com/svaarala/duktape/issues/2448 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-46322 updated 2025-11-21 cvss 7.1

duktape: SEGV via the component duk_push_tval in duktape/duk_api_stack.c

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/svaarala/duktape/issues/2448 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-404 Improper Resource Shutdown or Release

References

github.com /svaarala/duktape/issues/2448
exploit, issue-tracking, patch, third-party-advisory
lists.debian.org /debian-lts-announce/2023/03/msg00033.html
mailing-list

Sources

CVE List CVE-2021-46322
NVD CVE-2021-46322

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