Vulnerability in Jerryscript

CVE-2023-31921

Jerryscript 3.0 (commit 05dbbd1) was discovered to contain an Assertion Failure via the ecma_big_uint_div_mod at jerry-core/ecma/operations/ecma-big-uint.c.

Published · last modified .

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: 0.003 (20.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-31921: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-31921?
CVE-2023-31921 is a medium-severity vulnerability in Jerryscript, classified under Reachable Assertion. CVSS score: 5.5/10. Published 2023-05-12.
How severe is CVE-2023-31921?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-31921 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.