The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:3157 advisory.

  - Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980)

  - Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984)

  - Mozilla: Use-after-free media channels (CVE-2021-29985)

  - Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986)

  - Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988)

  - Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

RHEL 8 : firefox (RHSA-2021:3157)

high Nessus Plugin ID 152603

Version 1.8