openEuler-SA-2026-2393

Synopsis:

firefox security updateSummary:

An update for firefox is now available for openEuler-22.03-LTS-SP4Description:

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo

Security Fix(es):

A critical vulnerability has been discovered in Mozilla Firefox browser versions up to 150.0.2, classified as CWE-119 buffer error. The vulnerability allows the product to read from or write to memory locations outside the intended boundary of the buffer when performing operations on a memory buffer. This vulnerability affects confidentiality, integrity, and availability. Upgrading to version 150.0.3 eliminates this vulnerability.(CVE-2026-8388)

A vulnerability was found in Mozilla Firefox up to 150.0.2 (Web Browser). It has been declared as critical. As an impact it is known to affect confidentiality, integrity, and availability. Upgrading to version 150.0.3 eliminates this vulnerability.(CVE-2026-8391)

A sandbox escape vulnerability exists in the Profile Backup component of Mozilla Firefox. This vulnerability affects Firefox versions up to 150.0.2 and was fixed in version 150.0.3. An attacker could potentially exploit this vulnerability to bypass sandbox protections, impacting the confidentiality, integrity, and availability of the system.(CVE-2026-8401)

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11.(CVE-2026-8946)

Use-after-free in the DOM: Bindings (WebIDL) component....