PT-2023-4740 · Mozilla+10 · Firefox Esr+12
Lukas Bernhard
·
Published
2023-08-29
·
Updated
2025-03-14
·
CVE-2023-4577
CVSS v2.0
7.6
High
| Vector | AV:N/AC:H/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 117
Firefox ESR versions prior to 115.2
Thunderbird versions prior to 115.2
Description
The issue is related to the
UpdateRegExpStatics function attempting to access initialStringHeap, which could have been garbage collected prior to entering the function, potentially leading to an exploitable crash. This could allow a remote attacker to execute arbitrary code.Recommendations
For Firefox versions prior to 117, update to version 117 or later.
For Firefox ESR versions prior to 115.2, update to version 115.2 or later.
For Thunderbird versions prior to 115.2, update to version 115.2 or later.
Exploit
Fix
Buffer Overflow
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Ubuntu