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osvGoogleOSV:USN-6218-1
HistoryJul 12, 2023 - 7:07 a.m.

firefox vulnerability

2023-07-1207:07:51
Google
osv.dev
13
firefox
use-after-free
vulnerability
denial of service
arbitrary code
workers

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

50.0%

A use-after-free was discovered in Firefox when handling workers. An
attacker could potentially exploit this to cause a denial of service, or
execute arbitrary code.

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

50.0%