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CVE-2026-16381

🗓️ 21 Jul 2026 12:37:56Reported by Alpine Linux Development TeamType 
alpinelinux
 alpinelinux
🔗 security.alpinelinux.org👁 4 Views

CVE-2026-16381 fixes a same-origin policy bypass in Networking DNS component in Firefox and Thunderbird.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-16381
21 Jul 202612:37
attackerkb
Circl
CVE-2026-16381
22 Jul 202604:46
circl
CVE
CVE-2026-16381
21 Jul 202612:37
cve
Cvelist
CVE-2026-16381 Same-origin policy bypass in the Networking: DNS component
21 Jul 202612:37
cvelist
Debian
[SECURITY] [DLA 4695-1] firefox-esr security update
22 Jul 202621:41
debian
Debian
[SECURITY] [DSA 6394-1] firefox-esr security update
22 Jul 202621:15
debian
Debian CVE
CVE-2026-16381
21 Jul 202612:37
debiancve
Tenable Nessus
Debian dla-4695 : firefox-esr - security update
22 Jul 202600:00
nessus
Tenable Nessus
Debian dsa-6394 : firefox-esr - security update
22 Jul 202600:00
nessus
Tenable Nessus
Fedora 44 : firefox (2026-7d71f89d7e)
23 Jul 202600:00
nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Alpine Linux3.24anyfirefox151.0.3-r0firefox-151.0.3-r0.apk
Alpine Linux3.24anythunderbird151.0.1-r0thunderbird-151.0.1-r0.apk

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24 Jul 2026 15:19Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.1
EPSS0.00173
SSVC
4