CVE-2019-9810

8.8 HIGH

Published: April 26, 2019 Modified: November 25, 2025

Description

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html

Source: security@mozilla.org

Exploit Third Party Advisory VDB Entry

https://access.redhat.com/errata/RHSA-2019:0966

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:1144

Source: security@mozilla.org

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1537924

Source: security@mozilla.org

Exploit Issue Tracking Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-09/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-10/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-12/

Source: security@mozilla.org

Vendor Advisory

http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html