Syntax: kev:true severity:critical epss:>0.95 vendor:cisco patch:false
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13 CRITICAL6 HIGH1 MEDIUM
CVE-2026-2799
CRITICAL CVSS 9.8
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Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
mozilla
NVD RRF 0.016
CVE-2026-2798
HIGH CVSS 8.8
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Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
mozilla
NVD RRF 0.016
CVE-2026-6746
HIGH CVSS 7.5
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Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
mozilla
NVD RRF 0.016
CVE-2026-4723
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
mozilla
NVD RRF 0.016
CVE-2026-2786
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
mozilla
NVD RRF 0.015
CVE-2026-2765
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
mozilla
NVD RRF 0.015
CVE-2026-8090
HIGH CVSS 7.3
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Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
mozilla
NVD RRF 0.015
CVE-2026-2763
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
mozilla
NVD RRF 0.015
CVE-2026-6758
HIGH CVSS 7.5
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Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
mozilla
NVD RRF 0.014
CVE-2026-2787
CRITICAL CVSS 9.8
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Use-after-free in the DOM: Window and Location component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
mozilla
NVD RRF 0.014
CVE-2026-4691
CRITICAL CVSS 9.8
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Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
mozilla
NVD RRF 0.014
CVE-2026-4701
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
mozilla
NVD RRF 0.014
CVE-2026-2804
MEDIUM CVSS 5.4
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Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
mozilla
NVD RRF 0.014
CVE-2026-6754
HIGH CVSS 7.5
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Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
mozilla
NVD RRF 0.014
CVE-2026-2770
CRITICAL CVSS 9.8
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Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
mozilla
NVD RRF 0.013
CVE-2026-8947
HIGH CVSS 7.3
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Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
mozilla
NVD RRF 0.013
CVE-2026-0884
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
mozilla
NVD RRF 0.013
CVE-2026-2797
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
mozilla
NVD RRF 0.013
CVE-2026-2795
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
mozilla
NVD RRF 0.013
CVE-2026-2767
CRITICAL CVSS 9.8
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Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
mozilla
NVD RRF 0.013
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