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CVE Vulnerability Database

Complete database of CVE vulnerabilities. Track critical security threats, exploits and patches. Updated daily from NVD NIST.

CVE-2026-4729

9.8

Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could …

Firefox
Details

CVE-2026-4728

6.5

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Firefox
Details

CVE-2026-4727

7.5

Denial-of-service in the Libraries component in NSS. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Firefox
Details

CVE-2026-4726

7.5

Denial-of-service in the XML component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Firefox
Details

CVE-2026-4725

10.0

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Mozilla
Details

CVE-2026-4724

9.1

Undefined behavior in the Audio/Video component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Firefox
Details

CVE-2026-4723

9.8

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Mozilla
Details

CVE-2026-4722

8.8

Privilege escalation in the IPC component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Mozilla
Details

CVE-2026-4721

9.8

Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we …

Firefox
Details

CVE-2026-4720

9.8

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with …

Firefox
Details
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