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
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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
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