CVE Details

Release Date:2021-11-03


During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

See more information about CVE-2021-38496 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 8.8 Base Metrics: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Access Vector: Network Attack Complexity: Low
Privileges Required: None User Interaction: Required
Scope: Unchanged Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information

PlatformErrataRelease Date
Oracle Linux version 7 (firefox)ELSA-2021-37912021-10-25
Oracle Linux version 7 (thunderbird)ELSA-2021-38412021-10-25
Oracle Linux version 8 (firefox)ELSA-2021-37552021-10-11
Oracle Linux version 8 (thunderbird)ELSA-2021-38382021-10-15

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team