A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1172-1 firefox-esr security update
Debian DLA Debian DLA DLA-1199-1 thunderbird security update
Debian DSA Debian DSA DSA-4035-1 firefox-esr security update
Debian DSA Debian DSA DSA-4061-1 thunderbird security update
Debian DSA Debian DSA DSA-4075-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-3477-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3490-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T16:19:27.680Z

Reserved: 2017-04-12T00:00:00.000Z

Link: CVE-2017-7828

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:11.297

Modified: 2025-11-25T17:50:16.803

Link: CVE-2017-7828

cve-icon Redhat

Severity : Critical

Publid Date: 2017-11-15T00:00:00Z

Links: CVE-2017-7828 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses