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Date: Sun, 27 Mar 2022 02:29:27 +0000
From: "Adler, Mark" <>
To: Petr Štetiar <>
CC: "" <>
Subject: Re: zlib memory corruption on deflate (i.e. compress)


Yes, I will release develop to master. I need to do some portability testing first.


> On Mar 23, 2022, at 10:43 PM, Petr Štetiar <> wrote:
> Tavis Ormandy <> [2022-03-23 20:49:49]:
> [ adding Mark to the Cc: loop ]
> Hi,
>> Greetings list, I was recently trying to track down a reproducible crash
>> in a compressor. Believe it or not, it really was a bug in
>> zlib-1.2.11 when compressing (not decompressing!) certain inputs.
> thank you for letting us know!
>> I reported it upstream, but it turns out the issue has been public since
>> 2018, but the patch never made it into a release. As far as I know,
>> nobody ever assigned it a CVE.
>> As far as I can tell, no distros have picked this up.
> It's mostly due to the fact, that AFAIK it has never hit the release. Mark,
> would it be please possible to do another point release with that security
> fix included? Thanks!
> Cheers,
> Petr

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