Security Advisory

CVE-2021-29946

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-06-24 13:19:43

Last updated 2024-08-03 22:18:03

Assigner mozilla

State PUBLISHED

Description

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

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