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CVE-2017-7752

A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events…

High8.8EPSS 2.0%
Published
Updated
Reserved
Assigned by
mozilla

Description

A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Scores

CVSS scores of CVE-2017-7752, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
2.0% · top 20% 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: High 8.8.

Weakness

Affected products

  • Mozilla · Firefox

    • affected unspecified – < 54

  • Mozilla · Firefox ESR

    • affected unspecified – < 52.2

  • Mozilla · Thunderbird

    • affected unspecified – < 52.2

References (10)

Sources

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

Record last updated .