drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in firefox
Name: |
Mehrere Probleme in firefox |
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ID: |
RHSA-2021:0990-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Do, 25. März 2021, 23:58 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-23982
https://access.redhat.com/security/cve/CVE-2021-23984
https://access.redhat.com/security/cve/CVE-2021-23981
https://access.redhat.com/security/cve/CVE-2021-23987 |
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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-2021:0990-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0990 Issue date: 2021-03-25 CVE Names: CVE-2021-23981 CVE-2021-23982 CVE-2021-23984 CVE-2021-23987 =====================================================================
1. Summary:
An update for firefox is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Critical. 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 (v. 8) - 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 78.9.0 ESR.
Security Fix(es):
* Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)
* Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)
* Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)
* Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)
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/):
1942783 - CVE-2021-23981 Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read 1942785 - CVE-2021-23982 Mozilla: Internal network hosts could have been probed by a malicious webpage 1942786 - CVE-2021-23984 Mozilla: Malicious extensions could have spoofed popup information 1942787 - CVE-2021-23987 Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source: firefox-78.9.0-1.el8_3.src.rpm
aarch64: firefox-78.9.0-1.el8_3.aarch64.rpm firefox-debuginfo-78.9.0-1.el8_3.aarch64.rpm firefox-debugsource-78.9.0-1.el8_3.aarch64.rpm
ppc64le: firefox-78.9.0-1.el8_3.ppc64le.rpm firefox-debuginfo-78.9.0-1.el8_3.ppc64le.rpm firefox-debugsource-78.9.0-1.el8_3.ppc64le.rpm
s390x: firefox-78.9.0-1.el8_3.s390x.rpm firefox-debuginfo-78.9.0-1.el8_3.s390x.rpm firefox-debugsource-78.9.0-1.el8_3.s390x.rpm
x86_64: firefox-78.9.0-1.el8_3.x86_64.rpm firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm firefox-debugsource-78.9.0-1.el8_3.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-2021-23981 https://access.redhat.com/security/cve/CVE-2021-23982 https://access.redhat.com/security/cve/CVE-2021-23984 https://access.redhat.com/security/cve/CVE-2021-23987 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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