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CVE-2016-9898

Use-after-free resulting in potentially exploitable crash when manipulating DOM subtrees in the Editor. This vulnerability affects Firefox…

Critical9.8EPSS 3.4%
Published
Updated
Reserved
Assigned by
mozilla

Description

Use-after-free resulting in potentially exploitable crash when manipulating DOM subtrees in the Editor. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Scores

CVSS scores of CVE-2016-9898, 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)
3.4% · top 11% of all CVEs (2 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

  • Mozilla · Firefox

    • affected unspecified – < 50.1

  • Mozilla · Firefox ESR

    • affected unspecified – < 45.6

  • Mozilla · Thunderbird

    • affected unspecified – < 45.6

References (9)

Sources

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

Record last updated .