What is CVE-2023-34868?

CVE-2023-34868 is a high-severity vulnerability in Jerryscript, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2023-06-14.

How severe is CVE-2023-34868?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Jerryscript

CVE-2023-34868

Jerryscript 3.0 (commit 05dbbd1) was discovered to contain an Assertion Failure via the parser_parse_for_statement_start at jerry-core/parser/js/js-parser-statm.c.

Published 2023-06-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (54.6th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% 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

Jerryscript — versions 3.0.0

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

github.com/jerryscript-project/jerryscript/issues/5083 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-34868?: CVE-2023-34868 is a high-severity vulnerability in Jerryscript, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2023-06-14.
How severe is CVE-2023-34868?: High severity. CVSS v3 base score is 7.5 out of 10.