CVE-2021-26195

HIGH

JerryScript 2.4.0 - Heap-Based Buffer Overflow in Lexer Number Parsing

Title source: llm
STIX 2.1

Description

An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/jerryscript-project/jerryscript/issues/4442

Scores

CVSS v3 8.8
EPSS 0.0112
EPSS Percentile 62.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
jerryscript/jerryscript 2.4.0
Published Jun 10, 2021
Tracked Since Feb 18, 2026