drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in firefox
Name: |
Mehrere Probleme in firefox |
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ID: |
RHSA-2021:0285-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 27. Januar 2021, 23:13 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-23953
https://access.redhat.com/security/cve/CVE-2021-23960
https://access.redhat.com/security/cve/CVE-2021-23954
https://access.redhat.com/security/cve/CVE-2020-26976
https://access.redhat.com/security/cve/CVE-2021-23964 |
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Applikationen: |
Mozilla Firefox |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: firefox security update Advisory ID: RHSA-2021:0285-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0285 Issue date: 2021-01-27 CVE Names: CVE-2020-26976 CVE-2021-23953 CVE-2021-23954 CVE-2021-23960 CVE-2021-23964 =====================================================================
1. Summary:
An update for firefox is now available for Red Hat Enterprise Linux 8.1 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. 8.1) - aarch64, ppc64le, s390x, x86_64
3. Description:
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 78.7.0 ESR.
Security Fix(es):
* Mozilla: Cross-origin information leakage via redirected PDF requests (CVE-2021-23953)
* Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (CVE-2021-23954)
* Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7 (CVE-2021-23964)
* Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been (CVE-2020-26976)
* Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC (CVE-2021-23960)
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
After installing the update, Firefox must be restarted for the changes to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1920646 - CVE-2021-23953 Mozilla: Cross-origin information leakage via redirected PDF requests 1920648 - CVE-2021-23954 Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements 1920649 - CVE-2020-26976 Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been 1920650 - CVE-2021-23960 Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC 1920651 - CVE-2021-23964 Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: firefox-78.7.0-2.el8_1.src.rpm
aarch64: firefox-78.7.0-2.el8_1.aarch64.rpm firefox-debuginfo-78.7.0-2.el8_1.aarch64.rpm firefox-debugsource-78.7.0-2.el8_1.aarch64.rpm
ppc64le: firefox-78.7.0-2.el8_1.ppc64le.rpm firefox-debuginfo-78.7.0-2.el8_1.ppc64le.rpm firefox-debugsource-78.7.0-2.el8_1.ppc64le.rpm
s390x: firefox-78.7.0-2.el8_1.s390x.rpm firefox-debuginfo-78.7.0-2.el8_1.s390x.rpm firefox-debugsource-78.7.0-2.el8_1.s390x.rpm
x86_64: firefox-78.7.0-2.el8_1.x86_64.rpm firefox-debuginfo-78.7.0-2.el8_1.x86_64.rpm firefox-debugsource-78.7.0-2.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/
7. References:
https://access.redhat.com/security/cve/CVE-2020-26976 https://access.redhat.com/security/cve/CVE-2021-23953 https://access.redhat.com/security/cve/CVE-2021-23954 https://access.redhat.com/security/cve/CVE-2021-23960 https://access.redhat.com/security/cve/CVE-2021-23964 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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