Description
A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Published: 2019-07-23
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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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-1800-1 firefox-esr security update
Debian DLA Debian DLA DLA-1806-1 thunderbird security update
Debian DSA Debian DSA DSA-4448-1 firefox-esr security update
Debian DSA Debian DSA DSA-4451-1 thunderbird security update
EUVD EUVD EUVD-2019-3361 A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Ubuntu USN Ubuntu USN USN-3991-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3997-1 Thunderbird vulnerabilities
History

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Subscriptions

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

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T23:03:32.349Z

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

Link: CVE-2019-11691

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-07-23T14:15:13.903

Modified: 2024-11-21T04:21:36.167

Link: CVE-2019-11691

cve-icon Redhat

Severity : Important

Publid Date: 2019-05-22T00:00:00Z

Links: CVE-2019-11691 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses