A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ApplyFilter(). Reference: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9105
Upstream patch: https://chromium.googlesource.com/webm/libwebp/+/1344a2e947c749d231141a295327e5b99b444d63
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:4231 https://access.redhat.com/errata/RHSA-2021:4231
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2018-25010