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CVE-2022-31740

Date: December 21, 2022

On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

Severity Score

Related Resources (10)

https://www.mozilla.org/security/advisories/mfsa2022-21/
https://www.mozilla.org/security/advisories/mfsa2022-20/
https://bugzilla.mozilla.org/show_bug.cgi?id=1766806
https://access.redhat.com/security/cve/CVE-2022-31740
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-31740
https://security-tracker.debian.org/tracker/CVE-2022-31740
https://nvd.nist.gov/vuln/detail/CVE-2022-31740
https://security.alpinelinux.org/vuln/CVE-2022-31740
https://www.mozilla.org/security/advisories/mfsa2022-22/
https://www.mend.io/vulnerability-database/CVE-2022-31740

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

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

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