CVE-2023-25732

high

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.

References

https://www.mozilla.org/security/advisories/mfsa2023-07/

https://www.mozilla.org/security/advisories/mfsa2023-06/

https://www.mozilla.org/security/advisories/mfsa2023-05/

https://bugzilla.mozilla.org/show_bug.cgi?id=1804564

Details

Source: Mitre, NVD

Published: 2023-06-02

Updated: 2023-06-08

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High