DEBIAN-CVE-2019-11691

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2019-11691
Published: 23 Jul 2019, 14:15
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jul 2019, 14:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•firefox-esr

    < 60.7.0esr-1 | < 60.7.0esr-1 | < 60.7.0esr-1 | < 60.7.0esr-1

  • debian•thunderbird

    < 1:60.7.0-1 | < 1:60.7.0-1 | < 1:60.7.0-1 | < 1:60.7.0-1

References (1)