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CVE-2020-15656

CVSS v3.1 8.8 (High)
88% Progress
CVSS v2.0 9.3 (High)
93% Progress
EPSS 0.57 % (78th)
0.57% Progress
Affected Products 5
Advisories 15
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2020-08-10 18:15:12
(4 years ago)
Updated Date
2023-02-02 22:19:22
(19 months ago)

Affected Products

Canonical

Mozilla

Opensuse

Configuration #1

    CPE23 From Up To
  Mozilla Firefox prior 79.0 version cpe:2.3:a:mozilla:firefox < 79.0
  Mozilla Firefox Esr prior 78.1 version cpe:2.3:a:mozilla:firefox_esr < 78.1
  Mozilla Thunderbird prior 78.1 version cpe:2.3:a:mozilla:thunderbird < 78.1

Configuration #2

    CPE23 From Up To
  Opensuse Leap 15.2 cpe:2.3:o:opensuse:leap:15.2

Configuration #3

    CPE23 From Up To
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm
  Canonical Ubuntu Linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts
  Canonical Ubuntu Linux 20.04 cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts