CVE-2021-33797

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Source

https://cve.org/CVERecord?id=CVE-2021-33797

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33797.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-33797

Downstream

Published

2023-04-17T22:15:07Z

Modified

2026-10-20T14:09:44Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

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.

References

Affected packages

Git / github.com/ccxvii/mujs

Affected ranges

Type

GIT

Repo

https://github.com/ccxvii/mujs

Events

Introduced

4792d16f17b15a1eca3c2a9c856dc13fda1d23c5

Last Affected

6d1404397f3c3433334418f56048bead007729ac

Fixed

833b6f1672b4f2991a63c4d05318f0b84ef4d550

Database specific

Show details

{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "1.0.1"
                },
                {
                    "last_affected":  "1.1.1"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "833b6f1672b4f2991a63c4d05318f0b84ef4d550"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

1.*

1.0.1

1.0.2

1.0.3

1.0.4

1.0.5

1.0.6

1.0.7

1.0.8

1.0.9

1.1.0

1.1.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33797.json"

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "288979091544294782111518819104233456394",
                "61581765318884466210923875556097423407",
                "33659201827772043129384467252092958873",
                "10652266890852190394524829872989947004",
                "67837103942097848649576271900656043397",
                "294322422671747322356550470135510402828",
                "103767349172362287088416722015036295073"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2021-33797-6cc29e16",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550",
        "target":  {
            "file":  "jsdtoa.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "124021268302342966659032939690289369075",
            "length":  2020
        },
        "id":  "CVE-2021-33797-be8d4644",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550",
        "target":  {
            "file":  "jsdtoa.c",
            "function":  "js_strtod"
        }
    }
]

vanir_signatures_modified

"2026-10-20T14:09:44Z"