CVE-2021-26195 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Jerryscript	Jerryscript	2.4.0

Related Weaknesses (CWE)

CWE-787

References

https://github.com/jerryscript-project/jerryscript/issues/4442ExploitIssue TrackingPatch
https://github.com/jerryscript-project/jerryscript/issues/4442ExploitIssue TrackingPatch

FAQ

What is CVE-2021-26195?

CVE-2021-26195 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.

How severe is CVE-2021-26195?

CVE-2021-26195 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26195?

Check the references section above for vendor advisories and patch information. Affected products include: Jerryscript Jerryscript.