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Category: Security Announcement

Stack-based buffer overflow vulnerability in UDP packet handling in Toxcore (CVE-2021-44847)

Posted on December 13, 2021 by nurupo

A stack-based buffer overflow vulnerability was discovered in Toxcore’s networking code that allows a remote attacker to crash the Toxcore process or pote...

Memory leak bug and new Toxcore release fixing it

Posted on October 8, 2018 by nurupo

A memory leak bug was discovered in Toxcore that can be triggered remotely to exhaust one’s system memory, resulting in a denial of service attack. The bu...

Security vulnerability and new Toxcore release

Posted on April 20, 2018 by nurupo

A vulnerability was discovered in Toxcore that allows one to learn the IP of a target user by only knowing their Tox Id and without being friends with the targe...

Bug in musl-libc discovered, affecting the fully static Toxic builds

Posted on October 20, 2017 by nurupo

We advise everyone using the fully static Toxic builds that are listed on our download page to update them to the newest version by re-downloading them from tha...

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