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Vulnerability record · CVE-2016-1254 · published 5 December 2017

CVE-2016-1254: Torproject tor memory buffer overflow vulnerability

Torproject · Tor

Tor before 0.2.8.12 might allow remote attackers to cause a denial of service (client crash) via a crafted hidden service descriptor.

7.5 CVSS 3.0 High EPSS 3.0% · top 13.1% CWE-119 · Memory buffer overflow
7.5CVSS 3.0 base score, v2 5.0
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

Tor before 0.2.8.12 might allow remote attackers to cause a denial of service (client crash) via a crafted hidden service descriptor.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2016-12/msg00154.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00155.html Third Party Advisory
https://blog.torproject.org/blog/tor-02812-released Vendor Advisory
https://gitweb.torproject.org/tor.git/commit/?id=d978216dea6b21ac38230a59d172139185a68dbd PatchVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXOJSMCTIOHLBRYFBVEL3CD
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTU2R253477RZLYAJAR5DAX
https://trac.torproject.org/projects/tor/ticket/21018 Issue TrackingVendor Advisory
https://www.debian.org/security/2016/dsa-3741 Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00154.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00155.html Third Party Advisory
https://blog.torproject.org/blog/tor-02812-released Vendor Advisory
https://gitweb.torproject.org/tor.git/commit/?id=d978216dea6b21ac38230a59d172139185a68dbd PatchVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXOJSMCTIOHLBRYFBVEL3CD
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTU2R253477RZLYAJAR5DAX
https://trac.torproject.org/projects/tor/ticket/21018 Issue TrackingVendor Advisory
https://www.debian.org/security/2016/dsa-3741 Third Party Advisory

Track CVE-2016-1254 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Source: NIST National Vulnerability Database (record CVE-2016-1254), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.