Description
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Published: 2020-01-08
Score: 8.8 High
EPSS: 1.6% Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1987-1 firefox-esr security update
Debian DLA Debian DLA DLA-1997-1 thunderbird security update
Debian DSA Debian DSA DSA-4549-1 firefox-esr security update
Debian DSA Debian DSA DSA-4571-1 thunderbird security update
EUVD EUVD EUVD-2019-3427 When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Ubuntu USN Ubuntu USN USN-4165-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-4202-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-4335-1 Thunderbird vulnerabilities
History

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Subscriptions

Canonical Ubuntu Linux
Mozilla Firefox Firefox Esr Thunderbird
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T23:03:32.724Z

Reserved: 2019-05-03T00:00:00.000Z

Link: CVE-2019-11757

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-01-08T20:15:12.453

Modified: 2024-11-21T04:21:43.957

Link: CVE-2019-11757

cve-icon Redhat

Severity : Important

Publid Date: 2019-10-22T00:00:00Z

Links: CVE-2019-11757 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses