Astra Linux – Vulnerability in Firefox and Thunderbird

When encoding data from an inputStream in xpcom, 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...

Mozilla: Out of bounds memory write from EncodeInputStream

The Mozilla Foundation Security Advisory describes this flaw as: When encoding data from an inputStream in xpcom the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write...