Security Advisory

CVE-2023-1999

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-06-20 11:28:52

Last updated 2025-02-13 16:39:44

Assigner Google

State PUBLISHED

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.

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