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ubuntucveUbuntu.comUB:CVE-2023-34416
HistoryJun 07, 2023 - 12:00 a.m.

CVE-2023-34416

2023-06-0700:00:00
ubuntu.com
ubuntu.com
21
firefox
thunderbird
memory safety bugs
arbitrary code execution
vulnerability
memory corruption
mozilla firefox esr
thunderbird version

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.006

Percentile

77.9%

Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and
Thunderbird 102.12. Some of these bugs showed evidence of memory corruption
and we presume that with enough effort some of these could have been
exploited to run arbitrary code. This vulnerability affects Firefox ESR <
102.12, Firefox < 114, and Thunderbird < 102.12.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap
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CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.006

Percentile

77.9%