WID-SEC-W-2025-2566

WID-SEC-W-2025-2566 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from circl · Published November 11, 2025

Firefox ist ein Open-Source-Webbrowser. ESR ist die Variante mit verlängertem Support.

Risk scores

CVSS 4.0

9.300000190734863

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

Vendor	Product	Versions
	Ubuntu Linux
	Mozilla Thunderbird 140.5
	Mozilla Firefox <145
	SUSE Linux
	IGEL OS 12
	Mozilla Firefox ESR 140.5
	Mozilla Firefox 145
	SUSE openSUSE
	Red Hat Enterprise Linux
	RESF Rocky Linux
	Mozilla Thunderbird <140.5
	Mozilla Firefox ESR <140.5
	Mozilla Thunderbird 145
	Debian Linux
	IGEL OS 11
	Oracle Linux
	Mozilla Thunderbird <145
	Mozilla Firefox ESR <115.30
	Amazon Linux 2
	Mozilla Firefox ESR 115.30

Timeline

Nov 11, 2025 CVE Published
Jun 15, 2026 CVE Updated
Nov 1, 2026 Distribution Patch (26 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln WID-SEC-W-2025-2566
vulnetix vdb fixes WID-SEC-W-2025-2566

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/WID-SEC-W-2025-2566/fixes/registry"

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References

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