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Alerts This Week
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openSUSE Leap 15.2 Important: MozillaThunderbird Mem Safety Update

opensuse
Calendar Grey April 19, 2021
Scroller Opensuse
Address key vulnerabilities in Mozilla Thunderbird on openSUSE Leap 15.2. Update for improved protection.
An update that fixes 7 vulnerabilities is now available

Description

This update for MozillaThunderbird fixes the following issues:

- Mozilla Thunderbird was updated to version 78.9.1 (MFSA 2021-12,MFSA

2021-13, bsc#1183942, bsc#1184536)

* CVE-2021-23981: Texture upload into an unbound backing buffer resulted

in an out-of-bound read

* CVE-2021-23982: Internal network hosts could have been probed by a

malicious webpage

* CVE-2021-23984: Malicious extensions could have spoofed popup

information

* CVE-2021-23987: Memory safety bugs

* CVE-2021-23991: An attacker may use Thunderbird's OpenPGP key refresh

mechanism to poison an existing key

* CVE-2021-23992: A crafted OpenPGP key with an invalid user ID could be

used to confuse the user

* CVE-2021-23993: Inability to send encrypted OpenPGP email after

importing a crafted OpenPGP key

- cleaned up and fixed mozilla.sh.in for wayland (bsc#1177542)

This update was imported from the SUSE:SLE-15-SP2:Update update...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory update important memory safety patch instructions MozillaThunderbird openSUSE Leap

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2021-580=1

Package List

- openSUSE Leap 15.2 (x86_64):

MozillaThunderbird-78.9.1-lp152.2.38.1

MozillaThunderbird-debuginfo-78.9.1-lp152.2.38.1

MozillaThunderbird-debugsource-78.9.1-lp152.2.38.1

MozillaThunderbird-translations-common-78.9.1-lp152.2.38.1

MozillaThunderbird-translations-other-78.9.1-lp152.2.38.1

References

https://www.suse.com/security/cve/CVE-2021-23981.html

https://www.suse.com/security/cve/CVE-2021-23982.html

https://www.suse.com/security/cve/CVE-2021-23984.html

https://www.suse.com/security/cve/CVE-2021-23987.html

https://www.suse.com/security/cve/CVE-2021-23991.html

https://www.suse.com/security/cve/CVE-2021-23992.html

https://www.suse.com/security/cve/CVE-2021-23993.html

https://bugzilla.suse.com/1177542

https://bugzilla.suse.com/1183942

https://bugzilla.suse.com/1184536

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0580-1
Rating: important
Affected Products: openSUSE Leap 15.2 .

Topics%20covered

Topics Covered

security advisory update important memory safety patch instructions MozillaThunderbird openSUSE Leap

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