firefox-115.4.0-1.el8.ML.1

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.

CVE-2023-44488
VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.
CVE-2023-5721
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVE-2023-5724
Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVE-2023-5725
A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVE-2023-5728
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVE-2023-5730
Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVE-2023-5732
An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1.