CVE-2017-1001003: math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using u

Q: How do I fix CVE-2017-1001003?

mathjs: upgrade to 3.17.0. Exact commands for each OS are on this page.

Q: Is CVE-2017-1001003 being exploited?

CVE-2017-1001003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-1001003 affect?

CVE-2017-1001003 affects mathjs. Severity is critical (CVSS 9.8). math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using unicode characters when creating an object.

Q: How urgent is CVE-2017-1001003?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2017-1001003 is a critical-severity flaw (CVSS 9.8) affecting mathjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using unicode characters when creating an object.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-88, CWE-20
Published	2017-11-27
Last modified	2026-06-17

Publisher (CNA): Josh Bressers · Vendor: mathjs project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-11-27 14:29 UTCPublished CVE record published
2026-06-17 00:59 UTCUpdated Record last modified

mathjs project mathjs UPGRADE

Affected: < 3.17.0

Fixed in: 3.17.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mathjs || rpm -q mathjs || mathjs --version

2. UPGRADE to 3.17.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mathjs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mathjs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-1001003?

mathjs: upgrade to 3.17.0. Exact commands for each OS are on this page.

Is CVE-2017-1001003 being exploited?

CVE-2017-1001003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-1001003 affect?

CVE-2017-1001003 affects mathjs. Severity is critical (CVSS 9.8). math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using unicode characters when creating an object.

How urgent is CVE-2017-1001003?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-41139 HIGH 8.8 UPGRADE Math.js is an extensive math library for JavaScript and Node.js
CVE-2026-40897 HIGH 8.8 UPGRADE Math.js is an extensive math library for JavaScript and Node.js
CVE-2020-7743 HIGH 7.3 UPGRADE The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs up

References

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