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9.8 Critical

CVE-2026-84141 Integer overflow in the Graphics: ImageLib component

Description

Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

Affected products and versions

Product Affected versions Fixed in
Firefox 155 earliest → < 155 155
Firefox 153.2 earliest → < 153.2 153.2
Thunderbird 155 earliest → < 155 155
Thunderbird 153.2 earliest → < 153.2 153.2

References

Timeline

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