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redhatRedHatRHSA-2021:0662
HistoryFeb 24, 2021 - 2:32 p.m.

(RHSA-2021:0662) Important: thunderbird security update

2021-02-2414:32:51
access.redhat.com
28

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

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

0.011

Percentile

84.5%

JSON

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.8.0.

Security Fix(es):

  • Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968)

  • Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23969)

  • Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978)

  • Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

OSVersionArchitecturePackageVersionFilename
RedHat8x86_64thunderbird-debugsource< 78.8.0-1.el8_2thunderbird-debugsource-78.8.0-1.el8_2.x86_64.rpm
RedHat8x86_64thunderbird< 78.8.0-1.el8_2thunderbird-78.8.0-1.el8_2.x86_64.rpm
RedHat8aarch64thunderbird-debuginfo< 78.8.0-1.el8_2thunderbird-debuginfo-78.8.0-1.el8_2.aarch64.rpm
RedHat8ppc64lethunderbird< 78.8.0-1.el8_2thunderbird-78.8.0-1.el8_2.ppc64le.rpm
RedHat8aarch64thunderbird< 78.8.0-1.el8_2thunderbird-78.8.0-1.el8_2.aarch64.rpm
RedHat8x86_64thunderbird-debuginfo< 78.8.0-1.el8_2thunderbird-debuginfo-78.8.0-1.el8_2.x86_64.rpm
RedHat8aarch64thunderbird-debugsource< 78.8.0-1.el8_2thunderbird-debugsource-78.8.0-1.el8_2.aarch64.rpm
RedHat8ppc64lethunderbird-debugsource< 78.8.0-1.el8_2thunderbird-debugsource-78.8.0-1.el8_2.ppc64le.rpm
RedHat8ppc64lethunderbird-debuginfo< 78.8.0-1.el8_2thunderbird-debuginfo-78.8.0-1.el8_2.ppc64le.rpm

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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

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

0.011

Percentile

84.5%

JSON
Related for RHSA-2021:0662
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