CVE-2018-13863

Name: CVE-2018-13863
Creator: NVD / NIST
Published: 2018-07-10T20:29:00.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.94%

Last modified Jun 17, 2026

CVE-2018-13863 is a vulnerability of currently unknown severity. The MongoDB bson JavaScript module (also known as js-bson) versions 0.5.0 to 1.0.x before 1.0.5 is vulnerable to a Regular Expression Denial of Service (ReDoS) in lib/bson/decimal128.js. The flaw is triggered when the Decimal128.fromString() function is called to parse a long untrusted string.. EPSS estimates a 1.94% chance of exploitation in the next 30 days.

Description

The MongoDB bson JavaScript module (also known as js-bson) versions 0.5.0 to 1.0.x before 1.0.5 is vulnerable to a Regular Expression Denial of Service (ReDoS) in lib/bson/decimal128.js. The flaw is triggered when the Decimal128.fromString() function is called to parse a long untrusted string.

Metrics

EPSS Probability

1.94%

77.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mongodb	Js-Bson	>= 0.5.0, < 1.0.5

References

https://github.com/mongodb/js-bson/commit/bd61c45157c53a1698ff23770160cf4783e9ea4aPatch, Third Party Advisory
https://snyk.io/vuln/npm:bson:20180225Exploit, Technical Description, Third Party Advisory
https://github.com/mongodb/js-bson/commit/bd61c45157c53a1698ff23770160cf4783e9ea4aPatch, Third Party Advisory
https://snyk.io/vuln/npm:bson:20180225Exploit, Technical Description, Third Party Advisory

Timeline

Published: Jul 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-13863?

How severe is CVE-2018-13863?

Severity scoring for CVE-2018-13863 is pending analysis. The EPSS model estimates a 1.94% probability of exploitation in the next 30 days.

How do I fix CVE-2018-13863?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-13863?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST