CVE-2023-25732EPSS p54.2%
CVE-2023-25732CVE-2023-25732
mozilla / firefox
Description
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.
Scoring
| CVSS | 8.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 0.74% probability of exploitation · percentile 54.2% · 2026-10-25T12:03:13Z |
| Last modified | 2026-10-24 |