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redhatRedHatRHSA-2023:6189
HistoryOct 30, 2023 - 4:33 p.m.

(RHSA-2023:6189) Important: firefox security update

2023-10-3016:33:08
access.redhat.com
9
firefox
security update
version 115.4.0 esr
web browser
cve-2023-5721
memory safety bugs
cve-2023-5730
libvpx
crash
cve-2023-44488
webgl
cve-2023-5724
webextensions
cve-2023-5725
javascript engine
cve-2023-5728
address bar spoofing
cve-2023-5732
unix

8.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.9%

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

This update upgrades Firefox to version 115.4.0 ESR.

Security Fix(es):

  • Mozilla: Queued up rendering could have allowed websites to clickjack (CVE-2023-5721)

  • Mozilla: Memory safety bugs fixed in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4 (CVE-2023-5730)

  • libvpx: crash related to VP9 encoding in libvpx (CVE-2023-44488)

  • Mozilla: Large WebGL draw could have led to a crash (CVE-2023-5724)

  • Mozilla: WebExtensions could open arbitrary URLs (CVE-2023-5725)

  • Mozilla: Improper object tracking during GC in the JavaScript engine could have led to a crash. (CVE-2023-5728)

  • Mozilla: Address bar spoofing via bidirectional characters (CVE-2023-5732)

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.