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ubuntucveUbuntu.comUB:CVE-2023-5172
HistorySep 28, 2023 - 12:00 a.m.

CVE-2023-5172

2023-09-2800:00:00
ubuntu.com
ubuntu.com
10
ion engine
hashtable vulnerability
firefox 118
use-after-free
exploitable crash

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

0.001

Percentile

29.9%

A hashtable in the Ion Engine could have been mutated while there was a
live interior reference, leading to a potential use-after-free and
exploitable crash. This vulnerability affects Firefox < 118.

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

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

0.001

Percentile

29.9%