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ubuntucveUbuntu.comUB:CVE-2021-4127
HistoryDec 22, 2022 - 12:00 a.m.

CVE-2021-4127

2022-12-2200:00:00
ubuntu.com
ubuntu.com
16
vulnerability
graphics library
thunderbird
firefox esr
exploited
cve-2021-4127

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

0.003

Percentile

65.9%

An out of date graphics library (Angle) likely contained vulnerabilities
that could potentially be exploited. This vulnerability affects Thunderbird
< 78.9 and Firefox ESR < 78.9.

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
alexmurray Only affects firefox-esr < 78.9

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

0.003

Percentile

65.9%