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Test your applicationsUpgrade Chainguard
firefox-esr
to version 128.5.0-r0 or higher.
Note: Versions mentioned in the description apply only to the upstream firefox-esr
package and not the firefox-esr
package as distributed by Chainguard
.
See How to fix?
for Chainguard
relevant fixed versions and status.
Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP frame-src
bypass and DOM-based XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could have exposed users to malicious frames masquerading as legitimate content. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, and Thunderbird < 128.5.