Linux Security
    Linux Security
    Linux Security

    RedHat: RHSA-2020-5622:01 Important: thunderbird security update

    Date 17 Dec 2020
    283
    Posted By LinuxSecurity Advisories
    An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA256
    
    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: thunderbird security update
    Advisory ID:       RHSA-2020:5622-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:5622
    Issue date:        2020-12-17
    CVE Names:         CVE-2020-16042 CVE-2020-26971 CVE-2020-26973 
                       CVE-2020-26974 CVE-2020-26978 CVE-2020-35111 
                       CVE-2020-35113 
    =====================================================================
    
    1. Summary:
    
    An update for thunderbird is now available for Red Hat Enterprise Linux 8.2
    Extended Update Support.
    
    Red Hat Product Security has rated this update as having a security impact
    of Important. A Common Vulnerability Scoring System (CVSS) base score,
    which gives a detailed severity rating, is available for each vulnerability
    from the CVE link(s) in the References section.
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, x86_64
    
    3. Description:
    
    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.
    
    4. 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.
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1904515 - CVE-2020-16042 chromium-browser: Uninitialized Use in V8
    1908022 - CVE-2020-26971 Mozilla: Heap buffer overflow in WebGL
    1908023 - CVE-2020-26973 Mozilla: CSS Sanitizer performed incorrect sanitization
    1908024 - CVE-2020-26974 Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free
    1908025 - CVE-2020-26978 Mozilla: Internal network hosts could have been probed by a malicious webpage
    1908027 - CVE-2020-35111 Mozilla: The proxy.onRequest API did not catch view-source URLs
    1908029 - CVE-2020-35113 Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6
    
    6. Package List:
    
    Red Hat Enterprise Linux AppStream EUS (v. 8.2):
    
    Source:
    thunderbird-78.6.0-1.el8_2.src.rpm
    
    aarch64:
    thunderbird-78.6.0-1.el8_2.aarch64.rpm
    thunderbird-debuginfo-78.6.0-1.el8_2.aarch64.rpm
    thunderbird-debugsource-78.6.0-1.el8_2.aarch64.rpm
    
    ppc64le:
    thunderbird-78.6.0-1.el8_2.ppc64le.rpm
    thunderbird-debuginfo-78.6.0-1.el8_2.ppc64le.rpm
    thunderbird-debugsource-78.6.0-1.el8_2.ppc64le.rpm
    
    x86_64:
    thunderbird-78.6.0-1.el8_2.x86_64.rpm
    thunderbird-debuginfo-78.6.0-1.el8_2.x86_64.rpm
    thunderbird-debugsource-78.6.0-1.el8_2.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/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2020-16042
    https://access.redhat.com/security/cve/CVE-2020-26971
    https://access.redhat.com/security/cve/CVE-2020-26973
    https://access.redhat.com/security/cve/CVE-2020-26974
    https://access.redhat.com/security/cve/CVE-2020-26978
    https://access.redhat.com/security/cve/CVE-2020-35111
    https://access.redhat.com/security/cve/CVE-2020-35113
    https://access.redhat.com/security/updates/classification/#important
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2020 Red Hat, Inc.
    -----BEGIN PGP SIGNATURE-----
    Version: GnuPG v1
    
    iQIVAwUBX9uFBtzjgjWX9erEAQgzZxAAj0uMaXizjs2/hvN/SNVbuXUPNhkGPXYV
    4xjxtzZ+JOM5x8fGX3OtVBX/s/XtN5No+03APa1wKWAxwUEZloT5VzAxqM7agbso
    XAs7IJQMrH/O4JzpJcre6JewCTGp7rCM6fwq9CjAVUC3zJppaw9H81pk86cnNrr7
    0lpzL9IQTYzAD7xNkwlRM6oF0fkAg71NMi4bt4SsSATTMMVWRMAu9JgcP/Rzqgup
    1BRQ+GGdMEJGdBP+4ZOgU9Z0kRGhUKTNIwdQcT8h8g7Elu2IiN/9MFZOivmqdKAR
    DDosaKBa4j6VjfH3ixWcHE2udjBITDjfav+J7bpvs216foLPAFpjE0psWHgPzjA8
    Q5INbyPeG94yCRsE+YZ3VFNgxxA7IJRTCkNb542mvojsfSEI/7qf7a2wGuXG25lD
    udbSbO1m6AGlbH2vCm7s5C1xdzlnneGsCj86fF+zriNsFU6qwcmzcR3/M2DkFUtv
    hq4OTb7rC2WY0MhSHn5xWWwy9AgCiG1oJOUuTh86eZdW1ZYf+vPcJmPA99c32u/u
    RhRBwEwXdylx+gGxeF2sSMKSxynHssw40zKbkMzY2tuXlbxiCSV7Di/IcOB0BOCw
    Bi8UKacrgfxemtVea+/G3r/iBZEK15AU75CbjSH+3qrZYEoPGFLjYp2wSMSkmDn8
    mxq/u112GI4=
    =6bnR
    -----END PGP SIGNATURE-----
    
    --
    RHSA-announce mailing list
    This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.redhat.com/mailman/listinfo/rhsa-announce
    

    Advisories

    LinuxSecurity Poll

    'Tis the season of giving! How have you given back to the open-source community?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    /main-polls/49-tis-the-season-of-giving-how-have-you-given-back-to-the-open-source-community?task=poll.vote&format=json
    49
    radio
    [{"id":"171","title":"I've contributed to the development of an open-source project.","votes":"22","type":"x","order":"1","pct":34.92,"resources":[]},{"id":"172","title":"I've reviewed open-source code for security bugs.","votes":"13","type":"x","order":"2","pct":20.63,"resources":[]},{"id":"173","title":"I've made a donation to an open-source project.","votes":"28","type":"x","order":"3","pct":44.44,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350

    Please vote first in order to view vote results.


    VIEW MORE POLLS

    bottom 200

    Please enable / Bitte aktiviere JavaScript!
    Veuillez activer / Por favor activa el Javascript![ ? ]

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.