Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2021-38498

Date: November 2, 2021

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.

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2021-38498
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-38498
https://security.alpinelinux.org/vuln/CVE-2021-38498
https://access.redhat.com/security/cve/CVE-2021-38498
https://www.mozilla.org/security/advisories/mfsa2021-47/
https://www.mozilla.org/security/advisories/mfsa2021-43/
https://www.mozilla.org/security/advisories/mfsa2021-45/
https://bugzilla.mozilla.org/show_bug.cgi?id=1729642
https://www.mend.io/vulnerability-database/CVE-2021-38498

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

Do you need more information?

Contact Us