Out-of-Bounds Memory Write Vulnerability in XPCOM Encoding

Out-of-Bounds Memory Write Vulnerability in XPCOM Encoding

CVE-2023-25732 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

When encoding data from an <code>inputStream</code> in <code>xpcom</code> the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

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