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CVE-2026-8949

🗓️ 19 May 2026 12:29:40Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 8 Views

Integer overflow in the Widget Win32 component fixed in Firefox 151 and ESR 140.11.

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OSOS VersionArchitecturePackagePackage VersionFilename
Debian999anyfirefox0firefox_0_any.deb
Debian11anyfirefox-esr0firefox-esr_0_any.deb
Debian12anyfirefox-esr0firefox-esr_0_any.deb
Debian13anyfirefox-esr0firefox-esr_0_any.deb
Debian14anyfirefox-esr0firefox-esr_0_any.deb
Debian999anyfirefox-esr0firefox-esr_0_any.deb
Debian11anythunderbird0thunderbird_0_any.deb
Debian12anythunderbird0thunderbird_0_any.deb
Debian13anythunderbird0thunderbird_0_any.deb
Debian14anythunderbird0thunderbird_0_any.deb
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19 May 2026 12:29Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00583
SSVC
8