Out-of-bounds Read in Jerryscript

CVE-2020-29657

In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Jerryscript — versions 2.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-29657?: CVE-2020-29657 is a critical-severity vulnerability in Jerryscript, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2020-12-09.
How severe is CVE-2020-29657?: Critical severity. CVSS v3 base score is 9.1 out of 10.