RedHat: RHSA-2021-1351:01 Important: thunderbird security update
Summary
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.10.0.
Security Fix(es):
* Mozilla: Out of bound write due to lazy initialization (CVE-2021-23994)
* Mozilla: Use-after-free in Responsive Design Mode (CVE-2021-23995)
* Mozilla: More internal network hosts could have been probed by a
malicious webpage (CVE-2021-23961)
* Mozilla: Secure Lock icon could have been spoofed (CVE-2021-23998)
* Mozilla: Blob URLs may have been granted additional privileges
(CVE-2021-23999)
* Mozilla: Arbitrary FTP command execution on FTP servers using an encoded
URL (CVE-2021-24002)
* Mozilla: Incorrect size computation in WebAssembly JIT could lead to
null-reads (CVE-2021-29945)
* Mozilla: Port blocking could be bypassed (CVE-2021-29946)
* Mozilla: Race condition when reading from disk while verifying signatures
(CVE-2021-29948)
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.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
All running instances of Thunderbird must be restarted for the update to
take effect.
References
https://access.redhat.com/security/cve/CVE-2021-23961 https://access.redhat.com/security/cve/CVE-2021-23994 https://access.redhat.com/security/cve/CVE-2021-23995 https://access.redhat.com/security/cve/CVE-2021-23998 https://access.redhat.com/security/cve/CVE-2021-23999 https://access.redhat.com/security/cve/CVE-2021-24002 https://access.redhat.com/security/cve/CVE-2021-29945 https://access.redhat.com/security/cve/CVE-2021-29946 https://access.redhat.com/security/cve/CVE-2021-29948 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
thunderbird-78.10.0-1.el8_1.src.rpm
ppc64le:
thunderbird-78.10.0-1.el8_1.ppc64le.rpm
thunderbird-debuginfo-78.10.0-1.el8_1.ppc64le.rpm
thunderbird-debugsource-78.10.0-1.el8_1.ppc64le.rpm
x86_64:
thunderbird-78.10.0-1.el8_1.x86_64.rpm
thunderbird-debuginfo-78.10.0-1.el8_1.x86_64.rpm
thunderbird-debugsource-78.10.0-1.el8_1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream EUS (v. 8.1) - ppc64le, x86_64
Bugs Fixed
1951364 - CVE-2021-23994 Mozilla: Out of bound write due to lazy initialization
1951365 - CVE-2021-23995 Mozilla: Use-after-free in Responsive Design Mode
1951366 - CVE-2021-23998 Mozilla: Secure Lock icon could have been spoofed
1951367 - CVE-2021-23961 Mozilla: More internal network hosts could have been probed by a malicious webpage
1951368 - CVE-2021-23999 Mozilla: Blob URLs may have been granted additional privileges
1951369 - CVE-2021-24002 Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL
1951370 - CVE-2021-29945 Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads
1951371 - CVE-2021-29946 Mozilla: Port blocking could be bypassed
1951381 - CVE-2021-29948 Mozilla: Race condition when reading from disk while verifying signatures
