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redhatRedHatRHSA-2020:5622
HistoryDec 17, 2020 - 3:53 p.m.

(RHSA-2020:5622) Important: thunderbird security update

2020-12-1715:53:57
access.redhat.com
49

8.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

72.4%

JSON

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.6.0.

Security Fix(es):

  • chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)

  • Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)

  • Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)

  • Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974)

  • Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113)

  • Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978)

  • Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111)

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
RedHat8ppc64lethunderbird-debuginfo< 78.6.0-1.el8_2thunderbird-debuginfo-78.6.0-1.el8_2.ppc64le.rpm
RedHat8ppc64lethunderbird< 78.6.0-1.el8_2thunderbird-78.6.0-1.el8_2.ppc64le.rpm
RedHat8x86_64thunderbird-debuginfo< 78.6.0-1.el8_2thunderbird-debuginfo-78.6.0-1.el8_2.x86_64.rpm
RedHat8aarch64thunderbird< 78.6.0-1.el8_2thunderbird-78.6.0-1.el8_2.aarch64.rpm
RedHat8x86_64thunderbird-debugsource< 78.6.0-1.el8_2thunderbird-debugsource-78.6.0-1.el8_2.x86_64.rpm
RedHat8aarch64thunderbird-debugsource< 78.6.0-1.el8_2thunderbird-debugsource-78.6.0-1.el8_2.aarch64.rpm
RedHat8aarch64thunderbird-debuginfo< 78.6.0-1.el8_2thunderbird-debuginfo-78.6.0-1.el8_2.aarch64.rpm
RedHat8x86_64thunderbird< 78.6.0-1.el8_2thunderbird-78.6.0-1.el8_2.x86_64.rpm
RedHat8ppc64lethunderbird-debugsource< 78.6.0-1.el8_2thunderbird-debugsource-78.6.0-1.el8_2.ppc64le.rpm

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8.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

72.4%

JSON
Related for RHSA-2020:5622
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