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mageiaGentoo FoundationMGASA-2021-0164
HistoryMar 30, 2021 - 11:08 p.m.

Updated thunderbird packages fix security vulnerabilities

2021-03-3023:08:49
Gentoo Foundation
advisories.mageia.org
18
thunderbird
security vulnerabilities
out-of-bound read
network probing
malicious webpage
memory safety bugs
cve-2021-23981
cve-2021-4127
cve-2021-23982
cve-2021-23984
cve-2021-23987
malicious extensions.

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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

68.0%

Texture upload into an unbound backing buffer resulted in an out-of-bound read. (CVE-2021-23981) Angle graphics library out of date. (CVE-2021-4127) Internal network hosts could have been probed by a malicious webpage. (CVE-2021-23982) Malicious extensions could have spoofed popup information. (CVE-2021-23984) Memory safety bugs fixed in Thunderbird 78.9. (CVE-2021-23987)

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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

68.0%