CVE-2020-23321

CRITICAL
9.8
CVSS Score
Published: June 10, 2021 at 10:14 PM UTC
Updated: June 17, 2026 at 03:04 AM UTC
1 product affected across 1 vendorJerryScript

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

There is a heap-buffer-overflow at lit-strings.c:431 in lit_read_code_unit_from_utf8 in JerryScript 2.2.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMExploitIssue TrackingPatchThird Party Advisory
https://github.com/jerryscript-project/jerryscript/issues/3870

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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