Debian Security Advisory
DSA-3741-1 tor -- security update
- Date Reported:
- 20 Dec 2016
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 848847.
In Mitre's CVE dictionary: CVE-2016-1254.
- More information:
It was discovered that Tor, a connection-based low-latency anonymous communication system, may read one byte past a buffer when parsing hidden service descriptors. This issue may enable a hostile hidden service to crash Tor clients depending on hardening options and malloc implementation.
For the stable distribution (jessie), this problem has been fixed in version 0.2.5.12-4.
For the testing (stretch) and unstable (sid) distributions, this problem has been fixed in version 0.2.9.8-2.
We recommend that you upgrade your tor packages.