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Message-ID: <Yj3KxwDw01GIKHwD@gentoo.org>
Date: Fri, 25 Mar 2022 08:59:35 -0500
From: John Helmert III <ajak@...too.org>
To: oss-security@...ts.openwall.com
Subject: Re: zlib memory corruption on deflate (i.e. compress)
On Wed, Mar 23, 2022 at 08:49:49PM -0700, Tavis Ormandy wrote:
> 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.
>
> 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.
CVE-2018-25032 appears to have been assigned for it now.
> https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531
>
> As far as I can tell, no distros have picked this up.
>
> Tavis.
>
>
> --
> _o) $ lynx lock.cmpxchg8b.com
> /\\ _o) _o) $ finger taviso@....org
> _\_V _( ) _( ) @taviso
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