CVE-2021-38498

CVE Details

Release Date:

2021-11-03

Description

During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

See more information about CVE-2021-38498 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:	7.5	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2021-3791	2021-10-25
Oracle Linux version 7 (thunderbird)	ELSA-2021-3841	2021-10-25
Oracle Linux version 8 (firefox)	ELSA-2021-3755	2021-10-11
Oracle Linux version 8 (thunderbird)	ELSA-2021-3838	2021-10-15

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