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CVE-2021-21391

Опубликовано: 29 апр. 2021
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS2: 4.3
CVSS3: 6.5

Описание

CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0. The problem has been recognized and patched. The fix will be available in version 27.0.0.

РелизСтатусПримечание
bionic

not-affected

code not present
devel

DNE

esm-apps/bionic

not-affected

code not present
esm-apps/focal

not-affected

code not present
esm-apps/jammy

not-affected

code not present
esm-apps/noble

not-affected

code not present
esm-apps/xenial

not-affected

code not present
esm-infra-legacy/trusty

DNE

focal

not-affected

code not present
groovy

ignored

end of life

Показывать по

РелизСтатусПримечание
bionic

ignored

end of standard support, was needs-triage
devel

DNE

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-infra-legacy/trusty

DNE

focal

ignored

end of standard support, was needs-triage
groovy

ignored

end of life
hirsute

ignored

end of life

Показывать по

EPSS

Процентиль: 92%
0.08303
Низкий

4.3 Medium

CVSS2

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.5
nvd
почти 5 лет назад

CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0. The problem has been recognized and patched. The fix will be available in version 27.0.0.

CVSS3: 6.5
github
почти 5 лет назад

Regular expression Denial of Service in multiple packages

EPSS

Процентиль: 92%
0.08303
Низкий

4.3 Medium

CVSS2

6.5 Medium

CVSS3