PT-2023-8001 · Mozilla+9 · Firefox+11
Irvan Kurniawan
·
Published
2023-12-19
·
Updated
2025-03-21
·
CVE-2023-6858
CVSS v2.0
10
High
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 121
Firefox ESR versions prior to 115.6
Thunderbird versions prior to 115.6
Description
The issue is related to a heap buffer overflow in the
nsTextFragment function due to insufficient OOM handling. This can allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.Recommendations
For Firefox versions prior to 121, update to version 121 or later.
For Firefox ESR versions prior to 115.6, update to version 115.6 or later.
For Thunderbird versions prior to 115.6, update to version 115.6 or later.
Exploit
Fix
Heap Based Buffer Overflow
Memory Corruption
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Red Os
Suse
Thunderbird
Ubuntu