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CVE-2021-29945

Published: Jun 24, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
Mozilla	Firefox ESR	affected `unspecified - < 78.10`
Mozilla	Thunderbird	affected `unspecified - < 78.10`
Mozilla	Firefox	affected `unspecified - < 88`

References

https://www.mozilla.org/security/advisories/mfsa2021-14/

x_refsource_MISC

https://www.mozilla.org/security/advisories/mfsa2021-16/

x_refsource_MISC

https://www.mozilla.org/security/advisories/mfsa2021-15/

x_refsource_MISC

https://bugzilla.mozilla.org/show_bug.cgi?id=1700690

x_refsource_MISC

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