PT-2023-7978 · Mozilla+9 · Firefox Esr+10
Randell Jesup
·
Published
2023-12-19
·
Updated
2025-03-21
·
CVE-2023-6862
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 ESR versions prior to 115.6
Thunderbird versions prior to 115.6
Description
A use-after-free was identified in the
nsDNSService::Init. This issue appears to manifest rarely during start-up. The vulnerability may allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.Recommendations
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.
As a temporary workaround, consider disabling the
nsDNSService::Init function until a patch is available.Exploit
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox Esr
Linuxmint
Red Hat
Red Os
Suse
Thunderbird
Ubuntu