Mozilla Firefox (en-US) 101.0
Mozilla Firefox (en-US) 101.0, released May 31, 2022, fixes 12 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every CVE on this page. Install that instead.
Priority of the 12 CVEs
Applies to
| Product | Version |
|---|---|
| Mozilla Firefox (en-US) | 101.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2022-31736 | Mozilla Thunderbird and 4 others: Permissive Cross-domain Policy with Untrusted Domains | 9.8 | 0.0111 | None reported |
| High | CVE-2022-31747 | Mozilla Thunderbird and 4 others: Improper Restriction of Operations within the Bounds of a Memory Buffer | 9.8 | 0.0094 | None reported |
| High | CVE-2022-31737 | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 9.8 | 0.0087 | None reported |
| High | CVE-2022-31741 | Mozilla Thunderbird and 4 others: Use of Uninitialized Resource | 9.8 | 0.0071 | None reported |
| High | CVE-2022-31739 | Mozilla Thunderbird and 4 others: External Control of File Name or Path | 8.8 | 0.0071 | None reported |
| High | CVE-2022-31748 | Mozilla Firefox ESR and 2 others: Improper Restriction of Operations within the Bounds of a Memory Buffer | 9.8 | 0.0070 | None reported |
| High | CVE-2022-31740 | Mozilla Thunderbird and 4 others: Improper Restriction of Operations within the Bounds of a Memory Buffer | 9.8 | 0.0069 | None reported |
| High | CVE-2022-31742 | Mozilla Thunderbird and 4 others: Observable Discrepancy | 9.8 | 0.0063 | None reported |
| High | CVE-2022-31738 | Mozilla Thunderbird and 4 others: Authentication Bypass by Spoofing | 9.8 | 0.0062 | None reported |
| High | CVE-2022-31744 | Mozilla Thunderbird and 4 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 9.8 | 0.0062 | None reported |
| Routine | CVE-2022-31743 | Mozilla Firefox ESR and 2 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 6.5 | 0.0046 | None reported |
| Routine | CVE-2022-31745 | Mozilla Firefox ESR and 2 others: Improper Validation of Array Index | 4.3 | 0.0037 | None reported |
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