CVE-2017-7749 in Firefox

Summary

A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

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• Reservation: 04/12/2017
• Disclosure: 06/11/2018
• Moderation: VulDB entry created
• Entries: VDB-102488 (1)
• CPE: ready
• CWE: CWE-416 (Confirmed)
• CVSS: 8.0
• EPSS: 0.01874
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2017-7749
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-7749
• CVE Details: https://www.cvedetails.com/cve/CVE-2017-7749/