CVE-2020-15656

high

Description

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

References

https://www.mozilla.org/security/advisories/mfsa2020-33/

https://www.mozilla.org/security/advisories/mfsa2020-32/

https://www.mozilla.org/security/advisories/mfsa2020-30/

https://usn.ubuntu.com/4443-1/

https://bugzilla.mozilla.org/show_bug.cgi?id=1647293

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html

Details

Source: Mitre, NVD

Published: 2020-08-10

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High