RFC: Fix for CVE-2026-19548

Hans-Peter Nilsson hp@bitrange.com
Mon Aug 17 14:24:34 GMT 2026


On Mon, 17 Aug 2026, Nick Clifton wrote:
> Hi Alan,
> 
> > The bug report says:
> > "The vulnerability is triggered when LTO plugins are active
> > (link_info.lto_plugin_active is true) and the input object has
> > abfd->my_archive == NULL"
> > 
> > If my_archive is NULL the bfd isn't an archive member!
> 
> True - I suspect that this is a theoretical bug, rather than an exploitable
> one.
> 
> > How is it that add_archive_element is being called for something that
> > isn't a member of an archive?  Do you have a testcase?
> 
> No - I was just responding to the CVE - which does not provide a testcase.
> Cheers
>   Nick

Does that mean that the binutils CVE process has an exploitable 
flaw in which an opponent can DOS developers with red herring 
CVEs?  1/2 :-)

brgds, H-P


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