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Date: Fri, 22 Sep 2023 07:42:22 -0400
From: Marc Deslauriers <>
To:, Hanno Böck
Subject: Re: CVE-2023-4863: libwebp: Heap buffer overflow in
 WebP Codec

On 2023-09-22 01:28, Hanno Böck wrote:
> On Thu, 21 Sep 2023 22:52:50 +0200
> Solar Designer <> wrote:
>> However, another maybe-important one also made it into 1.3.2:
>> commit 95ea5226c870449522240ccff26f0b006037c520
>> Author: Vincent Rabaud <>
>> Date:   Mon Sep 11 16:06:08 2023 +0200
>>      Fix invalid incremental decoding check.
> It does not look to me that this fix is in 1.3.2:
> I've seen this commit as well and have been wondering for a few days if
> we'll hear about abother libwebp issue soon.

We (Ubuntu) didn't include that second commit in our libwebp updates, and I 
don't believe Red Hat/Fedora did either. If that second commit does have a 
security impact, it probably needs a different CVE to clear up confusion.


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