UBUNTU-CVE-2021-29945

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UBUNTU-CVE-2021-29945

Summary:

Details: The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

References: https://ubuntu.com/security/CVE-2021-29945, https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29945, https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/#CVE-2021-29945, https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-29945, https://access.redhat.com/security/cve/CVE-2021-29945, https://ubuntu.com/security/notices/USN-4926-1, https://ubuntu.com/security/notices/USN-4995-1, https://ubuntu.com/security/notices/USN-4995-2, https://www.cve.org/CVERecord?id=CVE-2021-29945