CVE-2021-29976

CVE Details

Release Date:2021-08-05

Description


Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

See more information about CVE-2021-29976 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-2021-27412021-07-16
Oracle Linux version 7 (thunderbird)ELSA-2021-28812021-07-27
Oracle Linux version 8 (firefox)ELSA-2021-27432021-07-16
Oracle Linux version 8 (thunderbird)ELSA-2021-28832021-07-27



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

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