Description
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.
Published: 2021-06-24
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-16423 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.
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Subscriptions

Microsoft Windows
Mozilla Firefox Firefox Esr Thunderbird
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-03T22:24:57.523Z

Reserved: 2021-04-01T00:00:00.000Z

Link: CVE-2021-29964

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-24T14:15:10.333

Modified: 2024-11-21T06:02:04.413

Link: CVE-2021-29964

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-06-01T00:00:00Z

Links: CVE-2021-29964 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses