Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. Upgrade Debian:11 curl to version 7.74.0-1.3+deb11u10 or higher. URL that curl has been told to operate with. The target buffer being a heap based buffer, and the host name coming from the Wrong value during a slow SOCKS5 handshake, and contrary to the intention,Ĭopy the too long host name to the target buffer instead of copying just the The local variable that means "let the host resolve the name" could get the Resolving and instead passes on the resolved address only. If the host name is detected to be longer, curl switches to local name Maximum length that host name can be is 255 bytes. That to resolve the address instead of it getting done by curl itself, the When curl is asked to pass along the host name to the SOCKS5 proxy to allow This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy See How to fix? for Debian:11 relevant fixed versions and status. Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Debian.
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