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Security Advisories

CVE-2026-2758

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-2758

Severity

9.8

Critical

CVSS V3

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Description

Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

References

Affected packages

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