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CVE-2026-74937

🗓️ 18 Aug 2026 12:23:35Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 8 Views

Use-after-free in Firefox and Thunderbird JavaScript GC component, fixed in Firefox 154 and Thunderbird 154.

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Debian999allfirefox154.0-1firefox_154.0-1_all.deb

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18 Aug 2026 12:23Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.8
EPSS0.00292
SSVC
8