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                            CERT-Renater

                Note d'Information No. 2026/VULN752
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DATE                : 16/07/2026

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Firefox versions prior to 152.0.6.
 
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https://www.mozilla.org/en-US/security/advisories/mfsa2026-67/
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Mozilla Foundation Security Advisory 2026-67
Security Vulnerabilities fixed in Firefox 152.0.6

Announced       July 14, 2026
Impact          critical
Products        Firefox
Fixed in
        Firefox 152.0.6

#CVE-2026-15718: Invalid pointer in the JavaScript:
WebAssembly component

Reporter    Christian Holler
Impact      critical

Description

We are aware that exploit code for this is public however we are
not aware of any attacks in the wild abusing this flaw.


References

    Bug 2045443

#CVE-2026-15719: Site isolation in the DOM: Navigation component

Reporter     Atsushi Sada
Impact       critical

Description

We are aware that exploit code for this is public however we are
not aware of any attacks in the wild abusing this flaw.
References

    Bug 2043820



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