CVE-2016-8860

Tor before 0.2.8.9 and 0.2.9.x before 0.2.9.4-alpha had internal functions that were entitled to expect that buf_t data had NUL termination, but the implementation of or/buffers.c did not ensure that NUL termination was present, which allows remote attackers to cause a denial of service (client, hidden service, relay, or authority crash) via crafted data.

• CWE-119

• http://openwall.com/lists/oss-security/2016/10/19/11Third Party Advisory
• http://www.debian.org/security/2016/dsa-3694
• http://www.securityfocus.com/bid/95116
• https://blog.torproject.org/blog/tor-0289-released-important-fixesRelease Notes, Vendor Advisory
• https://github.com/torproject/tor/commit/3cea86eb2fbb65949673eb4ba8ebb695c87a57cePatch, Vendor Advisory
• https://security.gentoo.org/glsa/201612-45
• https://trac.torproject.org/projects/tor/ticket/20384Vendor Advisory
• http://openwall.com/lists/oss-security/2016/10/19/11Third Party Advisory
• http://www.debian.org/security/2016/dsa-3694
• http://www.securityfocus.com/bid/95116
• https://blog.torproject.org/blog/tor-0289-released-important-fixesRelease Notes, Vendor Advisory
• https://github.com/torproject/tor/commit/3cea86eb2fbb65949673eb4ba8ebb695c87a57cePatch, Vendor Advisory
• https://security.gentoo.org/glsa/201612-45
• https://trac.torproject.org/projects/tor/ticket/20384Vendor Advisory

Published

Jan 4, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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