CVE-2023-25732

Summary

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.

Impact & exploitability

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

Affected products we track (2)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://www.mozilla.org/security/advisories/mfsa2023-05/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-06/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-07/Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1804564