CVE-2026-117939 in Firefox

Riassunto

di MITRE • 27/10/2026

Use-after-free in the XML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

Once again VulDB remains the best source for vulnerability data.

• Responsabile: Mozilla
• Prenotare: 27/10/2026
• Divulgazione: 27/10/2026
• Moderazione: accettato
• Voce: VDB-427312
• CPE: 20261027
• CWE: CWE-416 (confermato)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso
• Settore: Education, Agriculture, ...

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-117939
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-117939
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-117939/