Detections
Analytics
CVE-2023-1999
high
Description
There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.
References
https://security.gentoo.org/glsa/202309-05
https://chromium.googlesource.com/webm/libwebp