CVE-2017-18212

CRITICAL

JerryScript 1.0 - Heap-Based Buffer Over-Read in lit_read_code_unit_from_hex

Title source: llm
STIX 2.1

Description

An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_hex function in lit/lit-char-helpers.c via a RegExp("[\x0"); payload.

References (1)

Core 1
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/jerryscript-project/jerryscript/issues/2140

Scores

CVSS v3 9.8
EPSS 0.0185
EPSS Percentile 76.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-125
Status published
Products (1)
jerryscript/jerryscript 1.0
Published Mar 01, 2018
Tracked Since Feb 18, 2026