Gentoo Linux Security Advisory 201101-2 - Tor is vulnerable to a heap-based buffer overflow that may allow arbitrary code execution. Tor contains a heap-based buffer overflow in the processing of user or attacker supplied data. No additional information is available. Versions less than 0.2.1.28 are affected.
3f88e05991b5481e6d82f35f53e198b37442450b4cbbe38058bc37cbe7484594Debian Linux Security Advisory 2136-1 - Willem Pinckaers discovered that Tor, a tool to enable online anonymity, does not correctly handle all data read from the network. By supplying specially crafted packets a remote attacker can cause Tor to overflow its heap, crashing the process. Arbitrary code execution has not been confirmed but there is a potential risk.
3211be30f31619ed315e60bd0bb651e05f52931ac9c5c0267c9564e9fb65e61dTor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. It also enables software developers to create new communication tools with built-in privacy features. It provides the foundation for a range of applications that allow organizations and individuals to share information over public networks without compromising their privacy. Individuals can use it to keep remote Websites from tracking them and their family members. They can also use it to connect to resources such as news sites or instant messaging services that are blocked by their local Internet service providers (ISPs).
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