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ubuntucveUbuntu.comUB:CVE-2023-37209
HistoryJul 05, 2023 - 12:00 a.m.

CVE-2023-37209

2023-07-0500:00:00
ubuntu.com
ubuntu.com
14
cve-2023-37209
loadingsessionhistoryentry
potentially exploitable
firefox

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.9%

A use-after-free condition existed in NotifyOnHistoryReload where a
LoadingSessionHistoryEntry object was freed and a reference to that
object remained. This resulted in a potentially exploitable condition when
the reference to that object was later reused. This vulnerability affects
Firefox < 115.

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
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchfirefox< 115.0+build2-0ubuntu0.20.04.3UNKNOWN

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

57.9%