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Bug#1110769: xterm: segfault in ScrnWriteText on 3-byte binary data



On Mon, Aug 11, 2025 at 01:09:26AM +0200, Vincent Lefevre wrote:
> Package: xterm
> Version: 398-1
> Severity: important
> Tags: security upstream
> X-Debbugs-Cc: Debian Security Team <team@security.debian.org>
> 
> I've just noticed that it is very easy to make xterm crash with
> some binary data:
> 
>   /usr/bin/xterm -e 'printf "\x9a\x85\x08"; sleep 2'

It's not so easy (I don't see it breaking for me, and I don't see an issue
using asan2 or valgrind, in a recompile).

-- 
Thomas E. Dickey <dickey@invisible-island.net>
https://invisible-island.net

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