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CVE-2022-31747

Date: December 21, 2022

Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100 and Firefox ESR 91.9. 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 < 91.10, Firefox < 101, and Firefox ESR < 91.10.

Severity Score

Related Resources (10)

https://people.canonical.com/~ubuntu-security/cve/CVE-2022-31747
https://www.mozilla.org/security/advisories/mfsa2022-21/
https://www.mozilla.org/security/advisories/mfsa2022-20/
https://access.redhat.com/security/cve/CVE-2022-31747
https://nvd.nist.gov/vuln/detail/CVE-2022-31747
https://security.alpinelinux.org/vuln/CVE-2022-31747
https://security-tracker.debian.org/tracker/CVE-2022-31747
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1760765%2C1765610%2C1766283%2C1767365%2C1768559%2C1768734
https://www.mozilla.org/security/advisories/mfsa2022-22/
https://www.mend.io/vulnerability-database/CVE-2022-31747

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Read

CWE-125

Out-of-bounds Write

CWE-787

Use After Free

CWE-416

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): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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