CVE-2017-7753 in Firefox

Summary

An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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• Reservation: 04/12/2017
• Disclosure: 06/11/2018
• Moderation: VulDB entry created
• Entries: 1: VDB-105258
• CPE: ready
• CWE: CWE-125 (Confirmed)
• CVSS: 7.7
• EPSS: 0.01721
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2017-7753
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-7753
• CVE Details: https://www.cvedetails.com/cve/CVE-2017-7753/