There was an update to libwebp that fixed a bunch of security issues: https://ubuntu.com/security/notices/USN-4971-1
Could you test again to see if the issue is resolved? Thanks! ** Changed in: libwebp (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libwebp in Ubuntu. https://bugs.launchpad.net/bugs/1919977 Title: heap-buffer-overflow in old libwebp Status in libwebp package in Ubuntu: Incomplete Bug description: I found an overflow error when testing the security of ImageMagick on ubuntu20.02. The error exists in the libwebp library, and the old version is used in the system source. When ImageMagick calls the libwebp library to parse the webp file, an overflow occurs. system info: Distributor ID: Ubuntu Description: Ubuntu 20.04.2 LTS Release: 20.04 Codename: focal Edith by issues:https://github.com/ImageMagick/ImageMagick/issues/3403 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libwebp/+bug/1919977/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp