MajorCritical vulnerability

CVE-2026-92056 (CVSS 8.8)

NVD · officialPublished Sep 15, 2026Risk 37/100EPSS 0.2%

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

Technical details

CVSS

8.8

AV:NetworkAC:LowPR:NoneUI:RequiredC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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