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Security Advisories

CVE-2026-0877

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-0877

Severity

8.1

High

CVSS V3

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Description

Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

References

Affected packages

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