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.

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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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T13:22:30.704Z

Reserved: 2020-07-10T00:00:00.000Z

Link: CVE-2020-15669

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-10-01T19:15:13.407

Modified: 2024-11-21T05:05:58.903

Link: CVE-2020-15669

cve-icon Redhat

Severity : Important

Publid Date: 2020-08-25T00:00:00Z

Links: CVE-2020-15669 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses