Ubuntu 25.10 / 26.04 LTS : multipart vulnerability (USN-8343-1)

The remote Ubuntu 25.10 / 26.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8343-1 advisory. It was discovered that multipart had an ambiguous regular expression alternation when handling certain HTTP header values. A remote attacker could possibl...