CVE-2021-33797

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Published Apr 17, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

mujs

affected

Version	Status	Constraints
`mujs in versions 1.0.1 to 1.1.1`	affected	—

Configuration 1 [-]

cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-20474	Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.809% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550
https://github.com/ccxvii/mujs/issues/148

History

Feb 6, 2025 5:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Artifex Mujs

Weaknesses

Sources

CVE record Updated: Feb 6, 2025, 4:51 PM

Status: PUBLISHED
Assigner: fedora
Published: Apr 17, 2023, 12:00 AM
Updated: Feb 6, 2025, 4:51 PM
Reserved: Jun 2, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 11:58 PM

Updated: Aug 3, 2024, 11:58 PM

NVD Updated: Jun 17, 2026, 3:55 AM

Status: Modified
Published: Apr 17, 2023, 10:15 PM
Modified: Jun 17, 2026, 3:55 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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