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CVE-2021-45960

Low priority

Some fixes available 24 of 122

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).

24 affected packages

vnc4, apache2, apr-util, ayttm, cableswig...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
vnc4 Not in release Not in release Not in release Needs evaluation
apache2 Not affected Not affected Not affected Not affected
apr-util Not affected Not affected Not affected Not affected
ayttm Not in release Not in release Not in release Not in release
cableswig Not in release Not in release Not in release Not in release
cadaver Needs evaluation Needs evaluation Needs evaluation Needs evaluation
cmake Not affected Not affected Not affected Not affected
coin3 Not affected Not affected Not affected Needs evaluation
expat Fixed Fixed Fixed Fixed
firefox Fixed Fixed Fixed Fixed
gdcm Not affected Not affected Not affected Not affected
ghostscript Not affected Not affected Not affected Not affected
insighttoolkit4 Not in release Not affected Not affected Not affected
insighttoolkit Not in release Not in release Not in release Not in release
matanza Ignored Ignored Ignored Ignored
smart Not in release Not in release Not in release Not affected
swish-e Needs evaluation Needs evaluation Needs evaluation Needs evaluation
tdom Needs evaluation Needs evaluation Needs evaluation Needs evaluation
texlive-bin Not affected Not affected Not affected Not affected
thunderbird Not affected Not affected Not in release Ignored
vtk Not in release Not in release Not in release Not in release
wbxml2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
xmlrpc-c Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libxmltok Not affected Not affected Not affected Not affected
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CVE-2021-4140

Medium priority

Some fixes available 17 of 27

It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

6 affected packages

mozjs52, mozjs68, mozjs78, thunderbird, firefox, mozjs38

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
mozjs78 Not in release Ignored Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
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CVE-2021-4126

Medium priority

Some fixes available 6 of 7

When receiving an OpenPGP/MIME signed email message that contains an additional outer MIME message layer, for example a message footer added by a mailing list gateway, Thunderbird only considered the inner signed message for the...

1 affected package

thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
thunderbird Fixed Fixed Fixed
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CVE-2021-44538

Medium priority

Some fixes available 11 of 33

The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by...

3 affected packages

thunderbird, node-matrix-js-sdk, olm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
thunderbird Fixed Fixed Fixed Fixed
node-matrix-js-sdk Needs evaluation Needs evaluation Needs evaluation
olm Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2021-43535

Medium priority

Some fixes available 2 of 3

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3,...

2 affected packages

firefox, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not in release Not affected
thunderbird Not affected Fixed Fixed
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CVE-2021-43534

Medium priority

Some fixes available 2 of 3

Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could...

2 affected packages

firefox, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not in release Not affected
thunderbird Not affected Fixed Fixed
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CVE-2021-38510

Medium priority
Ignored

The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems...

6 affected packages

firefox, mozjs38, mozjs52, mozjs68, mozjs78, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not in release Not affected
mozjs38 Not in release Not in release Not in release Ignored
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
mozjs78 Not in release Ignored Not in release Not in release
thunderbird Not affected Not affected Not in release Not affected
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CVE-2021-38505

Medium priority
Ignored

Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that...

6 affected packages

firefox, mozjs38, mozjs52, mozjs68, mozjs78, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not in release Not affected
mozjs38 Not in release Not in release Not in release Ignored
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
mozjs78 Not in release Ignored Not in release Not in release
thunderbird Not affected Not affected Not in release Not affected
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CVE-2021-43546

Medium priority

Some fixes available 17 of 27

It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

7 affected packages

firefox, firefox-esr, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Fixed Fixed Fixed Fixed
firefox-esr Not in release Not in release Not in release Not in release
mozjs38 Not in release Not in release Not in release Ignored
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
mozjs78 Not in release Ignored Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
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CVE-2021-43545

Medium priority

Some fixes available 17 of 27

Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

7 affected packages

firefox, firefox-esr, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Fixed Fixed Fixed Fixed
firefox-esr Not in release Not in release Not in release Not in release
mozjs38 Not in release Not in release Not in release Ignored
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
mozjs78 Not in release Ignored Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
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