CVE-2020-15669

Mozilla: Use-After-Free when aborting an operation

Published Oct 1, 2020 CVSS 3.1 · 8.8 High EPSS 1.1% KEV · Not listed
Description
When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.12 and Thunderbird < 68.12.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2346-1 firefox-esr security update
Debian DLA Debian DLA DLA-2360-1 thunderbird security update
Debian DSA Debian DSA DSA-4749-1 firefox-esr security update
Debian DSA Debian DSA DSA-4754-1 thunderbird security update
EUVD EUVD EUVD-2020-7656 When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.12 and Thunderbird < 68.12.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 4, 2024, 1:22 PM
Reserved
Jul 10, 2020, 12:00 AM
Status
Modified
Published
Oct 1, 2020, 7:15 PM
Modified
Jun 17, 2026, 2:57 AM
Severity
Important
Public date
Aug 25, 2020, 12:00 AM