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CVE-2021-29964

CVSS v3.1 7.1 (High)
71% Progress
CVSS v2.0 5.8 (Medium)
58% Progress
EPSS 0.08 % (35th)
0.08% Progress
Affected Products 4
Advisories 12
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

A locally-installed hostile program could send WM_COPYDATA messages that Firefox would process incorrectly, leading to an out-of-bounds read. This bug only affects Firefox on Windows. Other operating systems are unaffected.. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

Weaknesses
CWE-125
Out-of-bounds Read
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2021-06-24 14:15:10
(3 years ago)
Updated Date
2021-06-30 20:56:41
(3 years ago)

Affected Products

Microsoft

Mozilla

Configuration #1

AND
    CPE23 From Up To
OR  
  Mozilla Firefox prior 89.0 version cpe:2.3:a:mozilla:firefox < 89.0
OR  
  Running on/with
  Mozilla Firefox Esr prior 78.11 version cpe:2.3:a:mozilla:firefox_esr < 78.11
OR  
  Running on/with
  Mozilla Thunderbird prior 78.11 version cpe:2.3:a:mozilla:thunderbird < 78.11
OR  
  Running on/with
  Microsoft Windows cpe:2.3:o:microsoft:windows:-