CVE-2019-11693 Information

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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1532525 https://www.mozilla.org/security/advisories/mfsa2019-13/ https://www.mozilla.org/security/advisories/mfsa2019-14/ https://www.mozilla.org/security/advisories/mfsa2019-15/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8