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From: "Jakub Szczudlo (Nokia)" <jakub.szczudlo@nokia.com>
To: openembedded-core@lists.openembedded.org
Subject: Re: [wrynose][PATCH 1/3] expat: fix CVE-2026-50219
Date: Thu, 27 Aug 2026 04:05:31 -0700	[thread overview]
Message-ID: <2326647.1787828731489290062@lists.openembedded.org> (raw)
In-Reply-To: <b8b848b9-81ec-4a9e-bb4c-d1e196eeb479@est.tech>

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Hi,

some words also from me:
There is no deleting of functions in expat version from 2.6.4 to 2.8.3
Backwards compatibility should be intact.
There is a deprecation of one of hash function XML_SetHashSalt but it is still possible to be used
The biggest change that could potentially break some unsafe code is the fix for CVE-2026-50219 it makes parser rejecting free/reset/re-entry when it is already in used, so it is defending against possible memory corruption. As it is a fix for security vulnerability I think we can take that risk.

I have also tested it using ptest from packages that use expat it in runtime like python-xml or libxml-parser-perl and all tests passed.

Best regards,
Jakub Szczudlo

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  reply	other threads:[~2026-08-27 11:05 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-24 15:20 [wrynose][PATCH 1/3] expat: fix CVE-2026-50219 Jakub Szczudlo (Nokia)
2026-08-24 15:20 ` [wrynose][PATCH 2/3] expat: fix CVE-2026-56131 Jakub Szczudlo (Nokia)
2026-08-24 15:20 ` [wrynose][PATCH 3/3] expat: fix CVE-2026-56412 Jakub Szczudlo (Nokia)
2026-08-24 17:15 ` [wrynose][PATCH 1/3] expat: fix CVE-2026-50219 Paul Barker
2026-08-26  8:14   ` Jakub Szczudlo (Nokia)
2026-08-26  9:56     ` Paul Barker
2026-08-27 10:54       ` [OE-core] " Adarsh Jagadish Kamini
2026-08-27 11:05         ` Jakub Szczudlo (Nokia) [this message]
2026-08-27 11:45           ` Adarsh Jagadish Kamini
2026-08-27 11:57             ` Jakub Szczudlo (Nokia)

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