CVE-2023-25732
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk54th percentile - higher than 54% of all known CVEs
Summary
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.
Risk Assessment
This could lead to memory corruption and potential arbitrary code execution. The confidentiality, integrity, and availability of the user's system are at risk.
Recommendation
Upgrade Firefox to version 110, Thunderbird to 102.8, Firefox ESR to 102.8 or later.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS