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CVE-2018-1107

20
FAUCET Score

CVE-2018-1107 describes a Regular Expression Denial of Service (ReDoS) vulnerability in the 'is-my-json-valid' JavaScript library. An inefficient regular expression used for email format validation could be exploited by a specially crafted JSON file, leading to excessive CPU consumption and a denial of service. This vulnerability has a CVSS score of 5.3 (Medium), indicating a network-based attack with low complexity and a low impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.1CPE matchmatch criteria
cpe:2.3:a:is-my-json-valid_project:is-my-json-valid:*:*:*:*:*:node.js:*:*
>= 2.0.0, < 2.17.2CPE matchmatch criteria
cpe:2.3:a:is-my-json-valid_project:is-my-json-valid:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
65.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 43rd percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

npmpatch availablevia ghsa
Product: is-my-json-validFixed in: 2.17.2
npmpatch availablevia ghsa
Product: is-my-json-validFixed in: 1.4.1
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8:v3.6.0-62
View patch
redhatno patchvia redhat_api
Product: Red Hat Mobile Application Platform 4Fixed in: nodejs-is-my-json-valid
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-nodejs6-nodejs-is-my-json-valid

Vendor Advisories (2)

npmGHSA-4hpf-3wq7-5rprmedium

Regular expression deinal of service (ReDoS) in is-my-json-valid

Jan 6, 2022
redhatCVE-2018-1107Moderate

nodejs-is-my-json-valid: ReDoS when validating JSON fields with email format

Feb 16, 2018

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
snyk.io / vuln/npm:is-my-json-valid:20180214
ExploitThird Party Advisory