RHSA-2023:4959 - Security Advisory

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.6 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.

Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 102.15.0 ESR.

Security Fix(es):

• Mozilla: Memory corruption in IPC CanvasTranslator (CVE-2023-4573)
• Mozilla: Memory corruption in IPC ColorPickerShownCallback (CVE-2023-4574)
• Mozilla: Memory corruption in IPC FilePickerShownCallback (CVE-2023-4575)
• Mozilla: Memory corruption in JIT UpdateRegExpStatics (CVE-2023-4577)
• Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2 (CVE-2023-4584)
• Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2 (CVE-2023-4585)
• Mozilla: Full screen notification obscured by file open dialog (CVE-2023-4051)
• Mozilla: Full screen notification obscured by external program (CVE-2023-4053)
• Mozilla: Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception (CVE-2023-4578)
• Mozilla: Push notifications saved to disk unencrypted (CVE-2023-4580)
• Mozilla: XLL file extensions were downloadable without warnings (CVE-2023-4581)
• Mozilla: Browsing Context potentially not cleared when closing Private Window (CVE-2023-4583)

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.

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.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64

Fixes

• BZ - 2236071 - CVE-2023-4573 Mozilla: Memory corruption in IPC CanvasTranslator
• BZ - 2236072 - CVE-2023-4574 Mozilla: Memory corruption in IPC ColorPickerShownCallback
• BZ - 2236073 - CVE-2023-4575 Mozilla: Memory corruption in IPC FilePickerShownCallback
• BZ - 2236075 - CVE-2023-4577 Mozilla: Memory corruption in JIT UpdateRegExpStatics
• BZ - 2236076 - CVE-2023-4051 Mozilla: Full screen notification obscured by file open dialog
• BZ - 2236077 - CVE-2023-4578 Mozilla: Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception
• BZ - 2236078 - CVE-2023-4053 Mozilla: Full screen notification obscured by external program
• BZ - 2236079 - CVE-2023-4580 Mozilla: Push notifications saved to disk unencrypted
• BZ - 2236080 - CVE-2023-4581 Mozilla: XLL file extensions were downloadable without warnings
• BZ - 2236082 - CVE-2023-4583 Mozilla: Browsing Context potentially not cleared when closing Private Window
• BZ - 2236084 - CVE-2023-4584 Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2
• BZ - 2236086 - CVE-2023-4585 Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2

CVEs

• CVE-2023-4051
• CVE-2023-4053
• CVE-2023-4573
• CVE-2023-4574
• CVE-2023-4575
• CVE-2023-4577
• CVE-2023-4578
• CVE-2023-4580
• CVE-2023-4581
• CVE-2023-4583
• CVE-2023-4584
• CVE-2023-4585

References

• https://access.redhat.com/security/updates/classification/#important