Out-of-Bounds Read Vulnerability in Text Layout Processing

CVE-2017-5447 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:P

An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

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