CVE-2016-8860: n/a vulnerability

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 tha...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 02:35 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw could let a remote attacker crash Tor components by sending crafted data. The business impact is availability: Tor clients, hidden services, relays, or authorities could stop unexpectedly. The provided sources do not show active exploitation or a CVSS score. Exposure is limited to systems running affected Tor versions, including clients, hidden services, relays, and authorities. The bundle does not identify other affected products or downstream package version details beyond Debian and Gentoo advisories. Treat this as a targeted availability risk. Patch promptly where Tor supports business operations, anonymity services, relays, or research infrastructure. It is less urgent than code execution, but crashes can disrupt sensitive workflows. Mitigation focus: Upgrade Tor to 0.2.8.9, 0.2.9.4-alpha, or a later fixed release.; Apply Debian or Gentoo security updates where those packages are used.; Check current Tor Project guidance for maintained supported versions..

Prepared: Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 4, 2017, 20:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://blog.torproject.org/blog/tor-0289-released-important-fixesCVE reference · x_refsource_CONFIRM
https://github.com/torproject/tor/commit/3cea86eb2fbb65949673eb4ba8ebb695c87a57ceCVE reference · x_refsource_CONFIRM
GLSA-201612-45CVE reference · vendor-advisory, x_refsource_GENTOO
https://trac.torproject.org/projects/tor/ticket/20384CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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