DEBIAN-CVE-2019-11693

Advisory lineage Upstream: 1 Downstream: 4
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

The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. This could result in malicious content freezing a tab or triggering a potentially exploitable crash. *Note: this issue only occurs on Linux. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

CVSS Metrics

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

Affected Systems

  • debianfirefox-esr

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

  • debianthunderbird

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

References (1)