PT-2023-8002 · Mozilla+9 · Firefox+11

Irvan Kurniawan

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Published

2023-12-19

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Updated

2025-03-14

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CVE-2023-6859

CVSS v2.0

10

High

VectorAV: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 Firefox versions prior to 121
Description A use-after-free condition affects TLS socket creation when the system is under memory pressure. This issue 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. For Firefox versions prior to 121, update to version 121 or later.

Exploit

Fix

Use After Free

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Weakness Enumeration

Related Identifiers

ALSA-2024:0001
ALSA-2024:0003
ALSA-2024:0012
ALSA-2024:0025
ALT-PU-2023-8216
ALT-PU-2023-8227
ALT-PU-2023-8231
ALT-PU-2023-8368
ALT-PU-2024-13898
ALT-PU-2024-15839
ALT-PU-2024-3614
ALT-PU-2024-3860
ALT-PU-2024-4748
BDU:2023-09116
CESA-2024_0003
CESA-2024_0012
CESA-2024_0026
CESA-2024_0027
CVE-2023-6859
DLA-3697-1
DLA-3698-1
DSA-5581-1
DSA-5582-1
MGASA-2024-0006
MGASA-2024-0012
OESA-2025-1265
OESA-2025-1268
OPENSUSE-SU-2023_4928-1
OPENSUSE-SU-2024:13519-1
OPENSUSE-SU-2024:13531-1
OPENSUSE-SU-2024:14572-1
OPENSUSE-SU-2024_0044-1
RHSA-2024:0001
RHSA-2024:0002
RHSA-2024:0003
RHSA-2024:0004
RHSA-2024:0005
RHSA-2024:0011
RHSA-2024:0012
RHSA-2024:0019
RHSA-2024:0021
RHSA-2024:0022
RHSA-2024:0023
RHSA-2024:0024
RHSA-2024:0025
RHSA-2024:0026
RHSA-2024:0027
RHSA-2024:0028
RHSA-2024:0029
RHSA-2024:0030
RHSA-2024_0001
RHSA-2024_0003
RHSA-2024_0012
RHSA-2024_0025
RHSA-2024_0026
RHSA-2024_0027
RLSA-2024:0003
RLSA-2024:0012
SUSE-SU-2023:4912-1
SUSE-SU-2023:4928-1
SUSE-SU-2023:4929-1
SUSE-SU-2024:0044-1
USN-6562-1
USN-6562-2
USN-6563-1

Affected Products

Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Red Os
Suse
Thunderbird
Ubuntu