CVE-2026-7322: Vulnerability in Mozilla Firefox
Multiple memory safety vulnerabilities were identified in Mozilla Firefox ESR 115. 35. 0, ESR 140. 10. 0, Thunderbird ESR 140. 10. 0, Firefox 150. 0. 0, and Thunderbird 150. 0.
AI Analysis
Technical Summary
CVE-2026-7322 encompasses multiple memory safety bugs affecting several versions of Mozilla Firefox and Thunderbird, including ESR and standard releases. These bugs involve memory corruption that, with sufficient effort, could allow arbitrary code execution. Mozilla addressed these vulnerabilities by releasing patched versions: Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, and Thunderbird equivalents. The vulnerabilities were reported by multiple security researchers and the Mozilla Fuzzing Team. The vendor advisories confirm the fixes and classify the impact as critical or high depending on the specific bug.
Potential Impact
The vulnerabilities could allow an attacker to exploit memory corruption issues to execute arbitrary code on affected systems. This represents a critical security risk as it could lead to full compromise of the affected application environment. No evidence of exploitation in the wild has been reported to date.
Mitigation Recommendations
Mozilla has released official fixes for these vulnerabilities in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird ESR 140.10.1. Users and administrators should update to these fixed versions immediately to mitigate the risk. Since the vulnerabilities are patched, no additional mitigation steps are required beyond applying the official updates.
CVE-2026-7322: Vulnerability in Mozilla Firefox
Description
Multiple memory safety vulnerabilities were identified in Mozilla Firefox ESR 115. 35. 0, ESR 140. 10. 0, Thunderbird ESR 140. 10. 0, Firefox 150. 0. 0, and Thunderbird 150. 0.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-7322 encompasses multiple memory safety bugs affecting several versions of Mozilla Firefox and Thunderbird, including ESR and standard releases. These bugs involve memory corruption that, with sufficient effort, could allow arbitrary code execution. Mozilla addressed these vulnerabilities by releasing patched versions: Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, and Thunderbird equivalents. The vulnerabilities were reported by multiple security researchers and the Mozilla Fuzzing Team. The vendor advisories confirm the fixes and classify the impact as critical or high depending on the specific bug.
Potential Impact
The vulnerabilities could allow an attacker to exploit memory corruption issues to execute arbitrary code on affected systems. This represents a critical security risk as it could lead to full compromise of the affected application environment. No evidence of exploitation in the wild has been reported to date.
Mitigation Recommendations
Mozilla has released official fixes for these vulnerabilities in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird ESR 140.10.1. Users and administrators should update to these fixed versions immediately to mitigate the risk. Since the vulnerabilities are patched, no additional mitigation steps are required beyond applying the official updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-28T13:42:17.804Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-35/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-36/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-37/","vendor":"Mozilla"}]
Threat ID: 69f0c288cbff5d86101cc9f3
Added to database: 4/28/2026, 2:22:00 PM
Last enriched: 4/28/2026, 2:36:37 PM
Last updated: 4/28/2026, 3:24:21 PM
Views: 3
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