CVE-2018-13863

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-07-10 · updated 2026-06-17

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.

Affected products

MongoDB Inc. js-bson: from 0.5.0 before 1.0.5 — fixed in 1.0.5

How to fix

Upgrade to a fixed version: MongoDB Inc. js-bson 1.0.5. Check the vendor advisory for mitigations.

References

https://github.com/mongodb/js-bson/commit/bd61c45157c53a1698ff23770160cf4783e9ea4a
https://snyk.io/vuln/npm:bson:20180225
https://github.com/mongodb/js-bson/commit/bd61c45157c53a1698ff23770160cf4783e9ea4a
https://snyk.io/vuln/npm:bson:20180225

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