An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-01-08T19:48:07

Updated: 2024-08-04T23:03:32.865Z

Reserved: 2019-05-03T00:00:00

Link: CVE-2019-11759

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-01-08T20:15:12.623

Modified: 2023-02-01T14:17:40.310

Link: CVE-2019-11759

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-10-22T00:00:00Z

Links: CVE-2019-11759 - Bugzilla