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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-06-24T13:15:35

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

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

Link: CVE-2021-29964

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

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

Modified: 2021-06-30T20:56:41.443

Link: CVE-2021-29964

cve-icon Redhat

Severity : Moderate

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

Links: CVE-2021-29964 - Bugzilla