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CVE-2017-5442

A use-after-free vulnerability during changes in style when manipulating DOM elements. This results in a potentially exploitable crash.…

Critical9.8EPSS 2.6%
Published
Updated
Reserved
Assigned by
mozilla

Description

A use-after-free vulnerability during changes in style when manipulating DOM elements. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Scores

CVSS scores of CVE-2017-5442, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Critical9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
2.6% · top 15% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

References (11)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .