WS-2020-0342 | Mend Vulnerability Database

Vulnerability DatabaseWS-2020-0342

WS-2020-0342

Published:May 20, 2026

Updated:May 20, 2026

Regular Expression Denial of Service (ReDoS) vulnerability was found in is-my-json-valid before 2.20.2 via the style format.

Affected Packages

jquery (CONDA):

Affected version(s) =3.3.0 <3.4.0

Fix Suggestion:

Update to version 3.4.0

jsdom (CONDA):

Affected version(s) =11.0.0 <11.11.0

Fix Suggestion:

Update to version 11.11.0

svg2png (CONDA):

Affected version(s) =4.1.1

Fix Suggestion:

Update to version no_fix

nodejs (CONDA):

Affected version(s) >=4.2.6 <8.8.1

Fix Suggestion:

Update to version 8.8.1

azure-cli (CONDA):

Affected version(s) =0.10.3

Fix Suggestion:

Update to version no_fix

is-my-json-valid (NPM):

Affected version(s) >=1.4.2 <2.20.2

Fix Suggestion:

Update to version 2.20.2

tools.npm (NUGET):

Affected version(s) =4.0.3-beta1

Fix Suggestion:

Update to version no_fix

ncapsulate.node.shadow (NUGET):

Affected version(s) =5.3.0

Fix Suggestion:

Update to version no_fix

npm.js (NUGET):

Affected version(s) =2.13.1

Fix Suggestion:

Update to version no_fix

yarn.msbuild (NUGET):

Affected version(s) =0.21.3 <0.22.0

Fix Suggestion:

Update to version 0.22.0

yarnpkg.yarn (NUGET):

Affected version(s) >=0.17.4 <0.26.1

Fix Suggestion:

Update to version 0.26.1

npm (NUGET):

Affected version(s) >=2.14.14 <=3.5.2

Fix Suggestion:

Update to version no_fix

nodebin (NUGET):

Affected version(s) =5.2.0

Fix Suggestion:

Update to version no_fix

npm3 (NUGET):

Affected version(s) =3.0.0-alpha0001

Fix Suggestion:

Update to version no_fix

node-sass-bundle (NUGET):

Affected version(s) >=1.0.0 <1.0.2

Fix Suggestion:

Update to version 1.0.2

zombie.js (NUGET):

Affected version(s) >=4.2.1 <=5.0.5

Fix Suggestion:

Update to version no_fix

midiator.webclient (NUGET):

Affected version(s) >=1.0.98 <1.0.105

Fix Suggestion:

Update to version 1.0.105

betclic.buildtools.node (NUGET):

Affected version(s) >=1.0.2 <=1.0.6

Fix Suggestion:

Update to version no_fix

raml.parser (NUGET):

Affected version(s) >=1.0.0 <1.0.7

Fix Suggestion:

Update to version 1.0.7

node-sass-bundle (NUGET):

Affected version(s) >=1.0.3 <=1.1.0

Fix Suggestion:

Update to version no_fix

pwptemplatepusintek (NUGET):

Affected version(s) =0.0.1

Fix Suggestion:

Update to version no_fix

tinfoil (NUGET):

Affected version(s) >=1.0.16.5 <=1.1.0

Fix Suggestion:

Update to version no_fix

seidemann-web/wave-theme (PHP):

Affected version(s) =dev-bugfix/variants-fix <dev-fixUpLanguageConstants

Fix Suggestion:

Update to version dev-fixUpLanguageConstants

spiral/toolkit (PHP):

Affected version(s) >=v0.8.14 <v0.8.18

Fix Suggestion:

Update to version v0.8.18

oxid-esales/wave-theme (PHP):

Affected version(s) =dev-motorrad <dev-oxscript-google-analytics

Fix Suggestion:

Update to version dev-oxscript-google-analytics

spiral/toolkit (PHP):

Affected version(s) =v0.8.19 <v0.8.20

Fix Suggestion:

Update to version v0.8.20

z3/t3build-node (PHP):

Affected version(s) =dev-master <1.0.11

Fix Suggestion:

Update to version 1.0.11

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) =0.0.4 <0.0.11

Fix Suggestion:

Update to version 0.0.11

erdiko/user-admin (PHP):

Affected version(s) >=dev-develop <dev-ER-91

Fix Suggestion:

Update to version dev-ER-91

mpcmf/mpcmf-web-app (PHP):

Affected version(s) =dev-php7

Fix Suggestion:

Update to version no_fix

spiral/toolkit (PHP):

Affected version(s) >=v0.8.24 <v0.9.0

Fix Suggestion:

Update to version v0.9.0

kayrules/solatjakim-api-site (PHP):

Affected version(s) =dev-master <dev-version-1.0

Fix Suggestion:

Update to version dev-version-1.0

seidemann-web/wave-theme (PHP):

Affected version(s) =dev-motorrad <dev-omage-theme

Fix Suggestion:

Update to version dev-omage-theme

yuan1994/wechat_web_devtools (PHP):

Affected version(s) >=dev-core <0.15.152901-core

Fix Suggestion:

Update to version 0.15.152901-core

ilhanet/erpnet-widget-resource (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

seidemann-web/wave-theme (PHP):

Affected version(s) =dev-feature/WT-21

Fix Suggestion:

Update to version no_fix

oburatongoi/productivity (PHP):

Affected version(s) >=0.1.0 <0.3.36

Fix Suggestion:

Update to version 0.3.36

seidemann-web/wave-theme (PHP):

Affected version(s) >=dev-WT-27/sticky-header <dev-WT-36/Sticky-Header-Fixes

Fix Suggestion:

Update to version dev-WT-36/Sticky-Header-Fixes

trezebits/trezevel-gallery (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

limefamily/yii2-limetheme (PHP):

Affected version(s) >=1.0.0 <1.0.12

Fix Suggestion:

Update to version 1.0.12

erdiko/user-admin (PHP):

Affected version(s) >=dev-ER-98 <=dev-snyk-upgrade-d46907cffecf6b4533a36c96e63674e7

Fix Suggestion:

Update to version no_fix

computerundsound/curserver (PHP):

Affected version(s) =dev-master <2.2.0

Fix Suggestion:

Update to version 2.2.0

humanmade/coding-standards (PHP):

Affected version(s) >=0.1.0 <dev-dependabot/npm_and_yarn/json-schema-0.4.0

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/json-schema-0.4.0

humanmade/coding-standards (PHP):

Affected version(s) =v0.4.0 <v0.4.1

Fix Suggestion:

Update to version v0.4.1

dreamfactory/df-api-docs-ui (PHP):

Affected version(s) >=1.0.0 <1.1.0

Fix Suggestion:

Update to version 1.1.0

computerundsound/curserver (PHP):

Affected version(s) >=3.2.0.x-dev <=4.0.1

Fix Suggestion:

Update to version no_fix

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) =dev-dev <dev-form-field-key

Fix Suggestion:

Update to version dev-form-field-key

mpcmf/mpcmf-web-app (PHP):

Affected version(s) =dev-master <1.0.0.x-dev

Fix Suggestion:

Update to version 1.0.0.x-dev

oburatongoi/productivity (PHP):

Affected version(s) >=0.0.9 <0.0.13

Fix Suggestion:

Update to version 0.0.13

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) >=0.0.18 <0.0.56

Fix Suggestion:

Update to version 0.0.56

neon-sys (RUST):

Affected version(s) =0.1.10 <0.1.11

Fix Suggestion:

Update to version 0.1.11

Related Resources (1)

https://github.com/mafintosh/is-my-json-valid/commit/c3fc04fc455d40e9b29537f8e2c73a28ce106edb

Do you need more information?

CVSS v4

Base Score:

8.7

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

NONE

User Interaction

NONE

Vulnerable System Confidentiality

NONE

Vulnerable System Integrity

NONE

Vulnerable System Availability

HIGH

Subsequent System Confidentiality

NONE

Subsequent System Integrity

NONE

Subsequent System Availability

NONE

CVSS v3

Base Score:

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH