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Test your applicationsUpgrade Ubuntu:20.04
firefox
to version 133.0+build2-0ubuntu0.20.04.1 or higher.
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:20.04
relevant fixed versions and status.
A null pointer dereference may have inadvertently occurred in pk12util
, and specifically in the SEC_ASN1DecodeItem_Util
function, when handling malformed or improperly formatted input files. This vulnerability affects Firefox < 133 and Thunderbird < 133.